FX Impact M4 .22 Extended .308 win mag and Superior Heavy STX liner

and Superior Heavy STX liner are purpose-engineered around slug performance — not a pellet rifle retrofitted to handle them

1L from 1000psi to 3000Psi

Shrouded Yes

Simultaneously

this silencer combines reduced noise

FX Impact M4 .22 Extended .308 win mag and Superior Heavy STX linerFX Impact M4 Extended . 22 Caliber PCP Air Rifle The most iconic name in airguns, pushed to its furthest reach. The FX Impact M4 Extended in . 22 caliber is the longest barreled configuration of FX's flagship Impact platform the rifle that changed the airgun industry when it first launched in 2015, now in its most refined and rigid form yet. With an 800mm barrel and the largest air capacity in the M4 lineup, the Extended is built for shooters who want