FX Impact M4 Compact .22 Caliber Specifications

Operating System

• Cocking: Right-hand sidelever with ambidextrous mount for left-handed shooters
• Magazine: Removable high-capacity, easy-load design in durable injection-molded POM (28 shots in .22 caliber)

Stock Configuration

• FX UG1 Grip with AR15 mount
• Vertically adjustable recoil pad

Caliber & Barrel

• Caliber: .22 (5.5mm)
• Barrel: Superior STX 500mm (Compact)

Performance

• Shot Capacity: Up to approximately 330 shots (.22 cal)
• Energy Output: Up to 117 J / 87 ft-lbs (.22 cal)
• Fill Pressure: Max 250 bar (3625 psi)

Controls & Optics

• Safety: Switch style
• Optics Rail: Dual rail system—adjustable, removable 30 MOA Picatinny rail mounted on 9-11mm dovetail
• Trigger: QST (Quick Set Trigger) with adjustable reach, height, and blade angle. Configurable for Match, Hunter, and other styles

Muzzle & Gauges

• Muzzle: Built-in shroud system with additional moderator and detachable muzzle (variations by country)
• Pressure Gauges: Dual WIKA gauges for air tube and regulator pressure

Air System

• Capacity: 300cc (Compact)
• Cylinder: Carbon fiber wrapped, removable
• Charging: Foster Quick Disconnect

Dimensions

• Length: 640mm / 25" (Compact)
• Weight: 2.8 kg / 6.10 lbs (Compact)

Additional Features

• Brass Piston AMP MkII Regulator (externally adjustable; dual in some low-powered applications)
• Quick Tune System with micro/macro hammer spring adjustment
• Valve adjuster for valve flow tuning
• Interchangeable Caliber System
• Multiple Picatinny accessory rails (sides and bottom)
• Accessory mount for angled pressure gauge
• Tailored cut-out hard case included
• Plenum: Power Plenum 750 (75cc volume) *not available on sub-12ft versions