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FX Impact M4 Extended Black

€1,850.00

FX Impact M4 Extended Black

IMPACT M4

The FX Impact is undeniably one of the most iconic airguns on the market, having changed the airgun industry forever and truly making an impact when it was released back in 2015. With every new release of the FX Impact, we’ve made it better, more reliable, and accurate, reinforcing its presence in the industry. The FX Impact is an airgun that over time has proven itself to be suited for just about any discipline, whether you’re a professional benchrest shooter, hunter, or a regular all-around shooter. The platform offers the perfect setup for every occasion. Therefore, we are pleased to announce the release of the FX Impact M4, improving the platform in different areas while ensuring to keep the iconic looks that make the Impact so recognizable out in the field and in competitions.

The FX Impact has been taken first places and countless podium spots at all the major competitions around the world since its release. So, we at FX Airguns made it our mission to make the FX Impact M4 not only better in many different ways but also stronger and more ridged so you as a shooter can keep competing at the top and fighting for those wins!

Comes delivered in a tailored cut-out hard-case 

Trigger
The first major upgrade we brought to the FX Impact M4 is a complete new trigger system!

Introducing the FX QUICK SET TRIGGER! We all know that the trigger lays at the core and foundation of any great shot taken. Due to the multipurpose function of the Impact Platform FX/Fredrick wanted One trigger to suit every style and that can easily and quickly be changed from a Hunter style with just the right amount of pull needed to a standard FX trigger, or pure match grade trigger that is light, clean and super crisp! All this with just a simple adjustment of one screw. The Quick Set Trigger unit! No need to upgrade to a different trigger system if you want to go from a hunter one day to match grade the next!

Rigidity
To further enhance the performance and shooting experience we improved the overall rigidity of the FX Impact M4 by designing a new top plate that is much thicker and stronger bringing more rigidity throughout the entire platform.

Grip
With the new QS Trigger unit and top rail introduced we also improved the overall feel and comfort of shooting the Impact. The new FX Grip is one of those improvements that brings that feel altogether. We designed a new style grip that is more defined, comfortable to grip onto, with just the right amount of palm swell and a beaver tail to enhance the shooting comfort, giving you a firm grip on your Impact M4. Ensuring you hit your mark with more confidence!

AMP regulator
The FX Impact M4 now comes standard with our new brass piston regulator that is stronger, has faster refresh rates, more consistent and can easily handle the higher bottle pressures with a max working pressure of 170bar.

Magazine
For the FX Impact M4 we have redesigned the high-capacity magazines . The New magazines are made from a stronger material and have a new internal mechanism to ensure the inner drum will rotate smoothly even when fully loaded with some of the heaviest slugs on the market.

Scope rail
The new top plate also features a dovetail rail machined on to it enhancing the strength but at the same time bringing more flexibility when it comes to mounting your optics. The new scope rail that is longer than before can slide along that rail to get you that perfect mounting position and can be tightly secured in place with perfect alignment to the overall system!

Design
We gave the FX Impact M4 a slightly new design without going too far from its iconic look. We have done this true a decent amount of tiny important improvements true out the whole platform, like some subtle new lines, cutouts for easy access to some part and angles to tie it all together. Making the FX Impact M4 even more practical and pleasing to the eye.

Note: Muzzle energy listed in the specifications of each rifle is for maximum setting. Due to differences in regulations the rifle is often produced with a lower muzzle energy from the factory. Contact your dealer for more info about muzzle energy in your region.

Scopes not included, 

Cocking system Right hand positioned sidelever with an ambidextrous mount for lefthanded shooters.
Magazine type Removable high capacity, easy load. 

Made in durable injection-molded POM

34 shot when Cal .177
28 shot when Cal .22
25 shot when Cal .25
23 shot when Cal .30
18 shot when Cal .35

Stock FX UG1 Grip – AR15 mount.
Adjustable recoilpad (vertically)
Calibre

4,5 (.177)

5,5 (.22)

6,35 (.25)

7,62 (.30)

9,00 (.35)

Barrel Compact: Superior STX 500mm 

Standard: Superior STX 600 mm
*500mm if sub 12ft for UK.

Sniper: Superior STX 700 mm

Extended: Superior Heavy STX 800 mm

Shot capacity 4,5 (.177) ≈ up to 375 shots
5,5 (.22) ≈ up to 330 shots
6,35 (.25): ≈ up to 160 shots
7,62 (.30): ≈ up to 105 shots
9,00 (.35): ≈ up to 45 shots
Fill pressure Max 250 bar (3625 psi)
Safety Switch style
Optics

Dual rails system;  Adjustable and removable 30 MOA Picatinny rail sits on a 9-11 dovetail rail.

Muzzle Built-In Shroud system with additional moderator. (variations may occur depending on country). 

Detachable muzzle.

Pressure gauge

Dual pressure gauges:

Airtube pressure WIKA
Regulator pressure WIKA

Trigger QST – Quick Set Trigger 

Trigger blade can be adjusted in reach, height and rotated to set the blade in an angle.

Can be set in various ways, Match, Hunter and many more.

Velocity N/A
Energy 4,5 (.177): up to 47 J – 35 ft/lbs
5,5 (.22): up to 117 J – 87 ft/lbs
Note: above figures are maximum FAC Power output using slug ammunition, slug powerkit and 800mm barrel.
Air capacity Compact: 300 cc
Standard: 480 cc
Air cylinder

Carbon fiber wrapped air tank

Length Compact: 640 mm – 25″
Standard: 860 mm – 34
Weight Compact: 2,8kg – 6,10lbs
Standard: 3,1kg – 6,85 lbs
Charging Foster Quick Disconnect
More features Brass Piston AMP MkII Regulator – Externally Adjustable (dual in some low powered applications) 

Quick Tune System (micro and macro adjustment of hammerspring tension)

Valve adjuster (valveflow tuning)

Interchangable Caliber System

Multiple Accessory rails (picatinny) sides and bottom

Accessory spot to mount angled pressure gauge

Tailored cut-out hard-case.

Plenum Power Plenum 750 (75 cc Volume) *not available on sub 12ft versions.

FX Impact M4 Extended Black – High-Performance PCP Air Rifle Built for Precision

The FX Impact M4 Extended Black has been engineered for shooters who demand exceptional adjustability, consistent air delivery, extended-range capability, and premium construction from a modern PCP platform. Developed as part of the fourth generation of the renowned FX Impact family, this Extended configuration combines an extra-long 800 mm barrel, a large-capacity carbon-fiber air bottle, advanced regulation, and extensive tuning capability in one highly adaptable package.

Designed around versatility, the FX Impact M4 Extended Black can be configured for different shooting disciplines and projectile requirements. Consequently, experienced shooters are provided with substantial control over the rifle’s operating characteristics while the familiar Impact chassis remains recognizable.

Because precision depends on much more than barrel quality alone, several major components have been redesigned or strengthened for the M4 generation. The trigger system, regulator, top plate, magazine, grip, scope-mounting arrangement, and overall chassis rigidity have all been revised to improve consistency and usability.

FX Impact M4 Extended Black Key Specifications

The Extended model is distinguished primarily by its long-format configuration. An 800 mm barrel is fitted, while an overall rifle length of approximately 1120 mm is maintained. The platform weighs around 3350 grams, providing a substantial yet manageable foundation for supported precision shooting.

Product Highlights

  • Model: FX Impact M4 Extended Black
  • Power source: Pre-charged pneumatic / PCP
  • Overall length: Approximately 1120 mm
  • Barrel length: 800 mm
  • Weight: Approximately 3350 g
  • Air bottle: 580 cc carbon-fiber bottle on commonly listed Extended configurations
  • Maximum fill pressure: 250 bar
  • Action: Side-lever cocking system
  • Regulated: Yes
  • Available calibers: Commonly offered in .22, .25, .30 and .35, depending on market
  • Magazine capacity: Varies according to caliber
  • Optics mounting: Picatinny/Weaver system with additional dovetail interface
  • Muzzle interface: 1/2 x 20 UNF on commonly listed configurations
  • Stock/chassis: Ambidextrous-oriented aluminum/synthetic configuration
  • Finish: Black

800 mm Extended Barrel Configuration

A defining feature of the FX Impact M4 Extended Black is its 800 mm barrel configuration. Compared with shorter Impact variants, the Extended format has been developed for shooters who prioritize maximum available barrel length and performance potential.

The FX Smooth Twist X barrel architecture also provides a high level of modularity. On compatible configurations, interchangeable liners allow the barrel system to be adapted around different projectile characteristics. Consequently, shooters interested in pellets, heavier projectiles, or specialized configurations are given a platform that can be optimized rather than permanently restricted to a single setup.

Furthermore, the barrel itself can be exchanged when a different caliber or barrel length is required. This modular approach has remained one of the most important characteristics of the FX Impact platform.

Advanced AMP Regulator for Consistent Air Delivery

Consistent pressure delivery is fundamental to repeatable PCP performance. Therefore, an upgraded brass-piston AMP regulator has been incorporated into the M4 platform.

According to FX Airguns, the regulator has been designed for greater strength, faster refresh rates, and improved consistency while supporting regulator pressures up to approximately 170 bar.

Because regulated air is delivered more consistently from shot to shot, predictable velocity can be pursued through careful tuning. Moreover, the rifle’s large air reservoir provides substantial capacity for demanding shooting sessions.

Large 580 cc Carbon-Fiber Bottle

On widely listed Extended versions, a 580 cc carbon-fiber bottle with a maximum fill pressure of 250 bar is fitted.

Carbon-fiber construction helps provide the required pressure capacity while controlling unnecessary weight. Additionally, the generous reservoir volume complements the long-barrel configuration, especially where sustained shooting and higher-output tuning are required.

FX Quick Set Trigger System

Trigger control has received substantial attention on the Impact M4. Instead of requiring an entirely different trigger assembly for different shooting styles, the FX Quick Set Trigger has been developed to provide a broad adjustment range.

A hunting-oriented setup, conventional FX-style setting, or lighter match-oriented configuration can be selected through adjustment of the system. FX states that this flexibility can be achieved through a simplified adjustment arrangement rather than by replacing the complete trigger mechanism.

As a result, the rifle can be adapted more readily when moving between different forms of precision shooting.

Improved Chassis Rigidity and Stability

Accuracy can be influenced by structural movement, particularly on a highly modular platform with numerous attachment points. For this reason, the M4 has been given a stronger and thicker top plate.

Greater structural rigidity has thereby been introduced throughout the platform, helping provide a more stable foundation for the barrel, optic, and associated components.

At the same time, the external styling has been subtly revised. Functional cutouts and updated lines have been incorporated without eliminating the recognizable appearance that defines the Impact series.

Adjustable Optics Mounting System

Optic positioning can vary considerably according to shooter size, eye relief, scope dimensions, and shooting position. Therefore, increased flexibility has been incorporated into the scope-mounting system.

A dovetail interface has been machined into the strengthened upper structure, while the longer scope rail can be repositioned and secured to achieve an appropriate optic location.

This arrangement can be especially useful when larger precision scopes are installed or when eye relief must be optimized for bench, prone, or field shooting.

Redesigned High-Capacity Magazine

The magazine system has also been revised for the M4 generation. Stronger construction materials and a redesigned internal mechanism have been used so that the magazine drum can rotate smoothly even when heavier projectiles are loaded.

Magazine capacity varies with caliber. Commonly published capacities include approximately:

  • .22: 28 rounds
  • .25: 25 rounds
  • .30: 23 rounds
  • .35: 18 rounds

Therefore, substantial onboard ammunition capacity can be provided without requiring constant magazine changes during longer shooting sessions.

Comfortable and Adaptable Ergonomics

Performance can deteriorate when a rifle is uncomfortable to operate for extended periods. Accordingly, the M4 grip has been reshaped with improved definition, palm support, and a beavertail profile.

The FX Impact M4 Extended Black also features an adjustable recoil/butt pad and accessory mounting provisions.

Consequently, the shooting position can be adapted more effectively around the individual user, equipment configuration, and intended discipline.

Quick Tune System for Greater Control

One of the strongest characteristics of the FX Impact family has always been adjustability. With the M4, this philosophy has been retained through the FX Quick Tune System.

Rather than forcing the shooter into a single factory operating profile, the platform permits experienced users to fine-tune relevant settings for their chosen projectile and application.

Because pellets and slugs can behave differently according to velocity, pressure, barrel configuration, and projectile weight, this degree of control makes the Impact platform particularly attractive to technically minded shooters.

Built for Precision-Oriented Applications

The FX Impact M4 Extended Black has been developed as a multi-purpose premium PCP rifle. FX specifically positions the Impact M4 as a platform capable of transitioning between pellet and slug use and between hunting and competition environments where legally permitted.

Its extended barrel, large air capacity, regulator system, adjustable trigger, reinforced chassis, movable optics rail, and modular barrel architecture combine to create a platform suited to shooters who value configuration flexibility.

The Extended model will particularly appeal to users who prefer a full-length precision setup instead of the more compact dimensions offered by shorter Impact variants.

Why Choose the FX Impact M4 Extended Black?

The FX Impact M4 Extended Black combines several advanced systems within one modular platform. Rather than focusing exclusively on raw output, the rifle has been designed around control, consistency, ergonomics, structural rigidity, and adaptability.

Its 800 mm barrel, 580 cc carbon-fiber bottle, upgraded regulation system, Quick Set Trigger, redesigned magazine, adjustable mounting architecture, and reinforced chassis provide a technically sophisticated foundation for serious PCP enthusiasts.

Moreover, its interchangeable barrel technology allows the rifle to evolve with changing shooting requirements. A different caliber, liner, optic arrangement, or tuning profile can be selected when appropriate rather than requiring an entirely different platform.

For shooters searching for a premium full-length PCP platform with extensive adjustment potential, modern engineering, and the distinctive FX Impact architecture, the FX Impact M4 Extended Black offers an exceptionally comprehensive package.

Always select a caliber and power configuration appropriate to your intended use and comply with applicable local laws, licensing requirements, range rules, and safe airgun-handling practices.

FX Impact M4 Extended Black

Air Rifles, PCP Systems, Calibers, Target Shooting and Popular Models

The world of air arms, air guns, and precision shooting equipment covers everything from recreational target shooting to sporting applications. For newcomers asking what is an air gun, what is an air rifle, what is air rifle, what is a air rifle, what is a airgun, what is an airgun, or what are airguns, the basic principle is straightforward. An air gun uses compressed gas or air to propel a projectile rather than relying on the combustion system associated with conventional firearms.

Understanding how does an air gun work, how does air gun work, how do air guns work, how does an air rifle work, how does air rifle work, and how do air rifle work can help buyers distinguish between the different operating systems available. Depending on the design, power can be supplied by a spring piston, compressed air cylinder, CO2 cartridge, or another pneumatic mechanism.

PCP Air Rifles and Compressed-Air Systems

One of the most popular categories is the pre-charged pneumatic platform. Searches such as what is a pcp air rifle, what is a pcp airgun, what is pcp air rifle, what is a pcp air gun, what is a pcp rifle, what is pcp rifle, what are pcp air rifles, and what is a pre charged pneumatic air rifle all relate to the same fundamental technology. A PCP rifle stores compressed air inside a reservoir and releases a controlled quantity each time the rifle is fired.

For shoppers researching pcp gun meaning, pcp rifle meaning, or pcp air rifle meaning, PCP simply refers to a pre-charged pneumatic system. Air is normally added using a pcp hand pump, dive cylinder, or pcp air compressor. Consequently, an air compressed gun or air compressor rifle can deliver consistent performance without requiring the shooter to manually compress a spring before every shot.

Some searches also include pcp bb gun, although many PCP platforms are primarily designed around pellets rather than traditional BB ammunition. Understanding the intended ammunition is therefore important before selecting accessories, magazines, or loading equipment.

.177 Caliber, .22 Caliber and Pellet Selection

Caliber choice is one of the most frequently researched subjects among airgun buyers. The .177 caliber remains extremely popular for recreational shooting and precision target applications. Products described as a 177 air rifle, 177 bullet, or even 177 cal darts may appear during searches, although ammunition compatibility always needs to be checked against the manufacturer’s specifications.

Questions including 177 or 22, 177 cal vs 22, 177 caliber vs 22, .177 caliber vs .22, .177 pellet vs .22 pellet, and .22 vs .177 pellet generally focus on differences in projectile size, trajectory, energy, and intended use. A smaller .177 pellet is commonly chosen for paper targets and precision shooting, whereas larger calibers may be selected for applications where additional projectile mass is desired.

Understanding bb gun pellet sizes is equally important because BBs and pellets are not automatically interchangeable. Before purchasing ammunition, shooters should confirm the caliber and projectile type specified for their particular pellet rifle, pellet pistol, or bb gun.

Air Arms Rifles and Popular Models

Among established manufacturers, air arms products remain widely searched by enthusiasts interested in precision PCP and spring-powered platforms. Well-known searches include air arms s510, s510, air arms s410, aa s400, pro sport air arms, prosport air arms, tx 200, and tx200.

Variations such as air arm and airarm are also commonly entered by shoppers searching for the brand. Buyers looking specifically for regulated sporting configurations may encounter the air arms s510 ultimate sporter .177 sub 12, a phrase frequently associated with UK-oriented searches for the S510 platform.

Each Air Arms model has its own action, stock design, power configuration, caliber options, and intended shooting environment. Therefore, specifications should always be checked against the exact version being considered rather than assumed from another model in the same family.

FX Impact M3, FX Maverick and Modern PCP Platforms

Premium PCP research frequently includes the fx maverick and the fx impact m3. Buyers may also search for fx impact mk3, fx m3 airgun, fx m3, impact m3, or fx impact m3 air rifle while comparing generations and configurations.

More specific searches such as fx impact m3 .22cal air rifle. 600mm barrel focus on caliber and barrel-length combinations. Meanwhile, international shoppers may search fx impact m3 precio, fx impact m3 precio en usa, or fx impact m3 price when researching current market pricing.

Because FX platforms can be produced in multiple barrel lengths, calibers, power settings, and regional configurations, buyers should verify the exact specification offered in their country before ordering.

Break-Barrel Air Rifles

Another major category is the break barrel air rifle. Anyone asking what is a break barrel air rifle or what is a break barrel pellet gun is usually referring to a rifle in which the barrel is hinged downward to cock the internal powerplant and expose the breech for loading.

Break-barrel designs remain popular because they can provide a self-contained shooting system without an external compressor or air bottle. Models such as a gamo pellet gun are frequently encountered by buyers exploring this category.

Learning how to load pellet gun equipment properly is particularly important. Pellets should match the manufacturer’s recommended caliber and should be loaded in accordance with the owner’s manual while the rifle is pointed in a safe direction and handled under normal shooting-range safety procedures.

CO2, Pellet Pistols and Other Airgun Types

Not every airgun uses PCP or spring power. A co2 powered pellet rifle, for example, uses replaceable CO2 cartridges as its propellant source. CO2 systems can be found in rifles and handguns intended for recreational shooting, training, and target use.

People researching air pistol uses or general pellet gun uses will encounter equipment intended for target practice, recreational plinking, skills training, competition, and other lawful sporting activities. A pellet pistol can offer a compact platform, while rifles generally provide a longer sight radius and additional stability.

Search terms such as pelet guns are also common misspellings of pellet guns and can still represent useful search intent when website content is designed to answer frequently asked buyer questions naturally.

Target Shooting and Airgun Practice

One of the most established uses of airguns is target shooting with air rifles. Dedicated air guns for target shooting may emphasize accuracy, adjustable stocks, match triggers, regulated air delivery, and compatibility with precision optics.

Likewise, airgun target practice and airgun for target practice are common search topics among people looking for an accessible way to develop shooting fundamentals. Proper backstops, eye protection, safe handling practices, and suitable ranges should always be used.

The practical range of air rifle equipment varies considerably according to caliber, muzzle energy, projectile selection, environmental conditions, and the rifle itself. As a result, buyers should use manufacturer specifications and local range rules rather than assuming that every air rifle performs identically.

Hunting Air Rifles and Appropriate Use

Some shooters research air rifles for hunting, hunting air rifles, best air rifle for hunting, pellet gun for rabbits, or even the informal phrase rats gun when looking for equipment designed for lawful pest-control or hunting applications.

Suitability depends heavily on local law, caliber, projectile energy, quarry species, shot placement requirements, and humane hunting standards. Questions such as can a bb gun kill a fox should therefore not be treated simply as equipment-selection questions. Legal restrictions and animal-welfare requirements should be checked first, and low-powered BB guns are not appropriate substitutes for equipment legally and ethically suitable for a particular species.

Similarly, searches for air rifles for deer hunting and big game hunting with air rifle involve specialized legal and ballistic requirements. Large-bore systems such as a 72 caliber air rifle or products associated with bluegrass big bore illustrate how different big-bore pneumatic platforms can be from conventional small-caliber pellet rifles. Local hunting regulations must determine whether such equipment may legally be used.

Licensing and UK Airgun Regulations

Legal requirements differ considerably by jurisdiction. UK-oriented searches frequently include do you need a licence for air rifle, air rifle certificate uk, and 22 rifle uk license. However, the rules governing air rifles, conventional .22 firearms, certificates, age restrictions, possession, transportation, and power limits are not identical.

Consequently, buyers should confirm current legislation with the relevant licensing authority before purchasing or using any regulated equipment. Particular attention should also be paid to whether a rifle is configured below or above applicable power thresholds.

Sportsman, Gamo and Other Popular Searches

Beyond specialist PCP manufacturers, buyers may encounter products such as the sportsman 900 while comparing recreational air rifles. Searches for a gamo pellet gun are also common because Gamo offers numerous spring-powered and pneumatic models across different price points and configurations.

The broader search for best air guns can include everything from affordable recreational platforms to sophisticated regulated PCP rifles. Rather than treating one design as universally superior, buyers should compare caliber, intended application, weight, stock ergonomics, power source, shot capacity, charging equipment, availability of spare parts, and local legal requirements.

Airgun Safety, Home Use and Responsible Ownership

Searches for air guns for home defense do appear online, but an airgun should not automatically be assumed to be suitable for defensive use. Laws vary significantly, and airguns can cause serious injury. Secure storage, lawful ownership, training, safe handling, and avoidance of unnecessary confrontation remain essential.

Whether someone owns an air rifle, pellet rifle, bb gun, or PCP platform, the equipment should always be treated as capable of causing injury. A secure backstop should be used for recreational shooting, the muzzle should remain pointed in a safe direction, and manufacturer instructions should be followed carefully.

Ultimately, understanding the differences between PCP rifles, break-barrel systems, CO2 equipment, caliber choices, and individual models makes it easier to compare the extensive range of modern airguns. From Air Arms platforms to FX rifles and recreational pellet guns, careful specification checking, responsible handling, lawful use, and suitable ammunition selection remain central to getting the right equipment for the intended purpose.

FX Impact M4 Extended Black Calibres, FAC Power and Accessories

The FX Impact M4 Extended Black has been designed around modularity, allowing buyers to select a calibre and configuration that matches their intended shooting discipline and local regulations. Its Extended format combines an 800 mm barrel with a large 580 cc carbon-fibre bottle, making it the longest mainstream configuration within the Impact M4 family. Meanwhile, the interchangeable barrel architecture enables the platform to accommodate different projectile requirements without changing the fundamental rifle system.

Available Calibres

Several calibre choices are available across the FX Impact M4 platform. For the Extended Black configuration, commonly marketed choices include:

  • 5.5 mm / .22 calibre
  • 6.35 mm / .25 calibre
  • 7.62 mm / .30 calibre
  • 9.0 mm / .35 calibre on selected configurations and markets

FX currently lists the wider M4 platform across calibre options extending from .177 through .35, although the exact calibre offered with an individual Extended rifle can depend on distributor inventory and regional specifications.

The .22 calibre FX Impact M4 Extended Black offers a versatile balance between projectile weight, magazine capacity, air consumption, and trajectory. Consequently, it can appeal to shooters looking for a flexible PCP platform for target shooting and other lawful sporting applications.

Moving upward, the .25 calibre configuration provides additional projectile mass while preserving excellent versatility. It remains a popular middle-ground option for users who want greater energy potential without stepping directly into the larger calibres.

Meanwhile, the .30 calibre version is designed around heavier projectiles and higher available output. Combined with the 800 mm barrel and large plenum system, this configuration provides substantial performance potential while retaining the adjustability for which the Impact platform is known.

Finally, selected markets may offer the M4 architecture in .35 calibre. Buyers should always confirm the precise calibre, barrel, probe, magazine and power specification included with the particular rifle being purchased.

FX Impact M4 Extended Black

FAC and High-Power Configuration

The term FAC is commonly used within the airgun market to distinguish higher-powered rifles from models that have been restricted to comply with lower legal energy limits in particular jurisdictions.

Therefore, an FX Impact M4 Extended Black FAC should not automatically be assumed to produce one universal power figure. Actual output depends on calibre, projectile weight, factory configuration, market restrictions and the specification supplied by the authorized distributor.

Some European listings for the 800 mm Extended configuration publish approximately 60 J for .22, 85 J for .25 and 130 J for .30 as representative medium settings, while maximum potential figures are listed at approximately 117 J, 135 J and 169 J respectively. These figures should be treated as configuration-dependent specifications rather than guaranteed output for every rifle.

In addition, rifles can be supplied at substantially lower power where local legislation requires restrictions. Buyers should therefore verify the actual factory specification and applicable licensing requirements before ordering.

Power Management and Consistency

Power alone does not define the performance of the FX Impact M4 Extended Black. Consistency in air delivery is equally important.

At the heart of the M4 is the updated AMP MKII regulator, incorporating a brass piston and supporting regulator working pressures of up to approximately 170 bar. FX states that the revised design provides improved strength, faster refresh characteristics and greater consistency.

Additionally, the rifle uses FX’s Power Plenum 750, which provides a 75 cc plenum volume. Together with the FX Power Block, this system has been developed to provide substantial available air volume and efficient airflow.

A 580 cc carbon-fibre bottle is fitted to the Extended configuration commonly sold in Europe. The bottle operates with a maximum fill pressure of 250 bar, giving the rifle considerable onboard air capacity for its size.

Therefore, the Extended model combines barrel length, regulated pressure delivery and substantial air storage within one integrated PCP platform.

Magazine Capacity by Calibre

Magazine capacity changes according to the diameter of the ammunition being used.

Common Extended M4 specifications include:

  • .22 calibre – 28 shots
  • .25 calibre – 25 shots
  • .30 calibre – 23 shots

The M4 high-capacity magazine has also been redesigned using stronger material and a revised internal mechanism. According to FX, the updated system allows the internal drum to rotate more smoothly, including when heavier airgun projectiles are loaded.

Consequently, the magazine complements the M4’s broader emphasis on reliable operation and multi-projectile compatibility.

800 mm STX Barrel System

Every Extended configuration is distinguished by its 800 mm barrel. The commonly marketed model uses the FX Smooth Twist X system with an interchangeable liner architecture.

That modular structure also means compatible barrel kits can be used to reconfigure supported FX Impact rifles. FX currently offers Impact barrel kits containing the appropriate calibre-specific probe, barrel components and matching shroud.

For users who prioritize additional structural rigidity, FX also offers its Solid Barrel Kit, including compatible Impact M4 versions in lengths extending to 800 mm and calibres including .177, .22, .25 and .30.

Compatible FX Impact M4 Accessories

An extensive accessories ecosystem is one of the main attractions of the FX Impact platform. Depending on configuration and market availability, compatible equipment can include:

  • FX 300 cc carbon-fibre bottle
  • FX 480 cc carbon-fibre bottle
  • FX 580 cc carbon-fibre bottle
  • FX High Capacity Magazine
  • FX Keller Digital Gauge
  • Angled Manometer Bracket
  • Compatible FX Impact barrel kits
  • STX barrel liners
  • Solid Barrel Kit
  • Slug Power Kit for compatible M3/M4 platforms
  • Picatinny-mounted shooting accessories
  • Optics and compatible scope mounts
  • Bipod or shooting-rest accessories
  • Rifle case
  • Foster filling connector

FX officially lists 300 cc, 480 cc and 580 cc carbon-fibre bottles among its Impact M4 accessories, together with digital gauges, magazine options and other modular components.

Flexible Optics and Accessory Mounting

Accessory installation has also been considered within the M4 chassis design. The strengthened upper assembly incorporates a dovetail interface beneath the movable scope rail, allowing the optics position to be adjusted to suit eye relief and equipment configuration. Additional accessory rails are positioned around the rifle for compatible equipment.

As a result, the FX Impact M4 Extended Black can be configured as a highly personalized precision PCP platform. Its multiple calibre options, high-capacity magazines, 800 mm barrel, regulated air system, large carbon-fibre bottle and extensive accessory compatibility allow buyers to choose a setup that suits their lawful sporting application while retaining the modular architecture that defines the FX Impact series.

FX Impact M4 Extended Black

Because FAC classifications, permitted muzzle energy and licensing rules vary considerably between countries, the exact power specification and legal requirements should always be confirmed for the buyer’s jurisdiction before purchase or use.

Practical Use Scenarios

A premium PCP air rifle becomes most valuable when its technical features translate into practical advantages during real shooting sessions. Rather than being judged only by specifications on paper, its true value is revealed through consistency, handling, adjustability, comfort, and the ability to perform reliably across different lawful shooting environments. From carefully controlled range sessions to precision-oriented recreational shooting, the platform is designed to give experienced users a high degree of confidence and control.

Its combination of a regulated air system, extended configuration, adjustable controls, precision-oriented barrel system, large air capacity, ergonomic chassis, and accessory compatibility makes it particularly versatile. Consequently, shooters can tailor the setup around their own preferences instead of being restricted to one rigid configuration.

Precision Target Shooting at the Range

One of the clearest practical applications is precision target shooting. On a controlled range, repeatability becomes extremely important because the shooter is often trying to place multiple shots within a very small area.

A stable regulated air supply contributes significantly to this type of shooting. When air pressure is delivered consistently from shot to shot, velocity variation can be reduced. As a result, the shooter can concentrate more closely on technique, trigger control, breathing, sight alignment, and follow-through.

The extended configuration can also be beneficial during longer sessions. Greater available air capacity means fewer interruptions may be required between shooting strings. Therefore, users can remain focused on their shooting routine rather than constantly stopping to manage the rifle’s air supply.

When the rifle is supported on a suitable bench rest or shooting bag, its chassis provides a stable foundation. Additionally, compatible optics can be mounted according to individual preference, allowing the shooter to create a dedicated precision setup.

For recreational target shooters who enjoy measuring groups, comparing ammunition, and refining technique, this type of platform offers considerable flexibility.

Benchrest Shooting Sessions

Benchrest shooting places a strong emphasis on stability and repeatability. Because the rifle is typically supported, the shooter can concentrate on mechanical consistency, ammunition selection, and fine adjustments.

In this environment, the adjustable nature of the system becomes particularly useful. Different pellets or compatible projectiles can behave differently, so experienced users may evaluate several options to determine which performs most consistently with their specific setup.

Once a suitable configuration has been established, the rifle can be left in that setting for repeated range sessions. Consequently, the shooter gains a dependable reference point for future comparisons.

A quality optic can also be matched with the rifle for bench shooting. Because the platform offers practical mounting options, users can select a scope appropriate for their legal shooting discipline and typical target distance.

Meanwhile, an appropriate bipod or front support can help reduce unnecessary movement. Rear support may also be used where permitted by range rules.

The result is a highly controlled shooting environment in which the shooter can concentrate on consistency rather than fighting against an unstable setup.

Caliber

.177, .22, .25

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FAQ

  • Spring-Piston (Break-Barrel or Underlever): Cock by compressing a spring. Reliable, no external air source needed, but can have more recoil (“spring twang”) and require technique to shoot accurately.
  • Pre-Charged Pneumatic (PCP): Filled from a scuba tank, compressor, or pump. High power, low recoil, multiple shots per fill. Popular for precision and hunting.
  • COâ‚‚: Powered by disposable cartridges. Good for pistols and semi-auto/repeaters, but performance drops in cold weather.
  • Multi-Pump Pneumatic: Hand-pumped to build pressure. Versatile but requires effort.
  • Gas Ram (Nitro Piston): Uses compressed gas instead of a metal spring. Smoother than traditional springers.

Calibers: Most common are .177 (4.5mm) for speed/flat trajectory and general use, and .22 (5.5mm) for better hunting knockdown power. Larger “big bore” (.25, .30, .357+) exist for hunting bigger game where legal.

Yes, many modern PCP and springers deliver enough energy for small game (rabbits, squirrels, birds) and even larger game in some areas. Muzzle energy (in ft-lbs or joules) matters more than velocity alone. Always match caliber, pellet weight, and energy to the game and check local hunting regs.

Treat every airgun as if it is loaded.

  • Always point the muzzle in a safe direction.
  • Keep your finger off the trigger until ready to shoot.
  • Know your target and what is beyond it (pellets can ricochet or travel far).
  • Wear eye protection.
  • Store unloaded, out of reach of children/untrained users, and ideally locked.
  • Never shoot at hard surfaces or in areas where pellets could escape your property.

Follow these rules strictly—airguns cause real injuries.

Laws differ dramatically by country, state/province, and even city. Always verify current local laws before buying, owning, transporting, or using an airgun. Age restrictions (often 18+) are common.

Examples (summaries only; check official sources):

  • UK: Air rifles ≤12 ft-lbs (16.3 joules) and pistols ≤6 ft-lbs generally do not require a license (FAC needed above that).
  • USA: Varies by state. Some treat powerful airguns as firearms; others do not. Many states now allow big-game hunting with air rifles.
  • Canada: Some airguns classified as firearms if they exceed velocity/energy thresholds.
  • Australia: Often treated as firearms; licensing/registration required in most states.
  • EU/France/Belgium/etc.: Varies; many allow low-power (<20J) guns freely to adults, with higher power needing permits. Germany has strict ~7.5J limits in some contexts.
  • Other countries: Some have no restrictions below certain energies; others ban or heavily regulate them.

Resources: Wikipedia “Air gun laws”, airgun forums, or official government sites. For travel, research transit laws carefully.

Consider:

  • Purpose: Plinking/backyard → lower power springer or COâ‚‚. Hunting/precision → PCP.
  • Budget: Entry-level springers are affordable; PCPs need a fill system (extra cost).
  • .177 vs .22: .177 easier for beginners/targets; .22 better for hunting.
  • Power source: Convenience vs performance.
  • Test pellets in your gun—accuracy varies.

Buy from reputable dealers and consider warranties.

  • Clean barrel periodically (especially if accuracy drops) with patches and appropriate tools/solvents. Avoid over-oiling.
  • Lubricate moving parts and seals with airgun-specific oil (not general gun oil). Springers need piston seal oil occasionally.
  • Check screws, seals for leaks (PCP), and safety mechanisms regularly.
  • Store in a cool, dry place, ideally in a case. Avoid leaving cocked for long periods.

Follow your model’s manual. Basic care extends life significantly.

International shipping may be available for select products. Customers are responsible for understanding and complying with their local import laws and regulations before ordering.

Yes. Customers are required to confirm their order number through WhatsApp or Live Chat before orders are processed and shipped.

If local laws prevent shipment to your area, your order may be canceled and refunded according to our store policy.

Processing typically takes 1–3 business days after payment confirmation. Delivery times vary depending on destination, carrier, and product availability.

 

 
 
 

 

  • Wrong pellets for your barrel/caliber.
  • “Death grip” or poor shooting form (especially with springers—let the gun recoil naturally).
  • Loose scopes or mounts.
  • Ignoring safety or local laws.
  • Over-oiling or shooting with obstructions.

 

Pellets are the most common projectile (lead or lead-free). Match them to your gun, caliber, and purpose—test several brands as accuracy varies by barrel.

  • Domed (Round-Head): Best all-rounder. Excellent accuracy, ballistic coefficient, and energy retention. Ideal for target shooting, field target, and general hunting (e.g., JSB Exact, Air Arms Diabolo Field, H&N Field Target Trophy).
  • Wadcutter (Flat-Head): Clean holes in paper. Best for close-range target/plinking (under 20-25 yards).
  • Hollow Point: Expands on impact for better energy dump. Good for small game hunting (e.g., Predator Polymag, H&N Terminator).
  • Pointed: More penetration, but often less accurate than domed.
  • Slugs: Heavier, more aerodynamic for high-power PCPs at longer ranges (better for big game where legal).

Tips: Heavier pellets in .22/.25 for hunting (better momentum). Lighter in .177 for speed/flat trajectory. Always check head size fit (e.g., 4.51-4.53mm variants).

Muzzle energy (ft-lbs or joules) matters more than velocity. Ethical shots require precise placement (head/heart-lung) within effective range.

Rough Guidelines (adjust for distance, pellet, and local laws):

  • Small game (squirrels, rabbits, birds): 9-20+ FPE, .177/.22.
  • Medium (raccoons, etc.): 25+ FPE, .22/.25 recommended.
  • Larger game: 40-100+ FPE in .30+ calibers (up to big bore for deer/hogs where permitted).

PCPs dominate serious hunting due to power and shot count. Springers/gas rams work well for small game but require skill. Always prioritize clean kills and check seasons/species rules.

  • Barrel Cleaning: Use a pull-through kit or rod with patches. Avoid brushes that could damage rifling. Clean when accuracy drops or after 500-1000 shots.
  • Lubrication: Airgun-specific silicone oil for seals/O-rings (sparingly—excess causes dieseling in springers). Springers may need piston lube periodically.
  • PCP Specific: Check for leaks (soapy water test), monitor regulator/hammer settings, and keep fill systems clean. Don’t exceed rated pressure.
  • General: Tighten stock screws, inspect for wear, store properly. Chronograph shots to track consistency.

Common Issues:

  • Inconsistent velocity → dirty barrel, bad pellets, or seal problems.
  • Spring “twang” → tuning or proper hold.
  • Low power → worn seals or under/over-pumping.

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  • Scopes: Airgun-rated (hold zero under recoil). 3-9x or 4-12x common.
  • Fill Systems: Hand pumps, compressors, or tanks for PCPs.
  • Safety Gear: Eye/ear protection, targets with backstops.
  • Noise: Airguns quieter than firearms, but moderators help further.

Budget Tip: Start with a quality springer (~$150-400) before investing in PCP setup.

Airgunning offers endless depth—from backyard plinking to precision competition and ethical hunting. Prioritize safety, legality, and practice. If you want specifics (e.g., recommendations for a country, budget, hunting small game, or a particular type like PCP vs springer), let me know for more targeted info! Shoot responsibly.

Tuning improves accuracy, reduces noise/recoil, or increases power (within legal limits).

  • Springers: Lighter springs, guides, seals, or custom tuning kits for smoother shot cycle. “V-Mach” or similar professional tunes popular.
  • PCPs: Regulator tuning, hammer spring adjustments, valve work for efficiency and shot count. Some add electronic systems.
  • Accessories: Suppressors (often unregulated on airguns), better triggers, stocks, and scopes.

Caution: Check laws—power increases may reclassify your gun. DIY only if experienced; professional tuners recommended.

You must be at least 18 years old to purchase any airgun or related accessories from our store. By placing an order, you confirm that you meet the legal age requirements in your state or country.

Yes. Orders may require age verification before processing and shipping. In some cases, we may request a valid government-issued ID to confirm eligibility.

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