Fx Airguns Impact M4 Black 600mm

The FX Impact M4 is arguably the most advanced PCP bullpup on the market. With features like its Smooth Twist X Superior STX barrel system, improved Power Plenum 750 increased post regulator volume, Adjustable Match Precision MKII AMP regulator, external micro and macro hammer spring tension adjustment, and external valve control, the customization options are almost endless.
The M4 includes an improved reversible side lever and a new dual transfer port .22 and .25 only that lets you optimize performance for both pellets and slugs. Plus, the new Quick Tune system gives you an easy way to adjust your air rifle with very little need for tools. Of course, the M4 also features the rear Power Block. With multiple barrel lengths and calibers, theres a version for just about any shooter out there!

FX Impact M4 PCP Air Rifle

FX Smooth Twist X Superior STX barrel system
Interchangeable calibers and barrel liners sold separately
Externally adjustable AMP MKII Adjustable Match Precision regulators
Externally adjustable hammer spring tension with macro and micro adjustments
Externally adjustable valve control
Quick Tune System for virtually tool-free adjustments
Power Block
Wika dual pressure gauges: one for air cylinder pressure, one for regulator pressure.
Forward mounted reversible sidelever cocking
250 BAR 3,625 PSI max. fill pressure
170 BAR max regulator output pressure
Equipped with improved 75cc Power Plenum 750 – allowing for an even wider range of power adjustment
Male Quick Disconnect fitting
Adjustable position Picatinny/Weaver optics mounting rail with 30 MOA compensation
Picatinny accessory rails below cylinder and on each side of the forearm
Quick Set adjustable match trigger
Height adjustable rubber butt pad
UG1 pistol grip
AR15 style manual safety
Side Shot magazine capacity: 34 rds. in .177, 28 rds.
Maximum muzzle energy*: 35 FPE in .177, 87 FPE
Includes one side-shot magazine and 3 year transferable warranty
* – using FX Slug Power Kit.
600mm 23.62” Barrel, Standard Models:

Available in .177
Removable 480cc carbon fiber air cylinder
Overall length of 34”
Weight: 6.85 lbs.
Shots per fill: 375 in .177,
700mm 27.55” Barrel, Sniper Models
Removable 580cc carbon fiber air cylinder
Overall length of 38”
Weight: 7.15 lbs.