Crusader VFC M4 GBB Bolt Carrier Assembly (Steel) Hop Up Components & Inner Barrels 3 gearbox w/ 9mm bearings

3 gearbox w/ 9mm bearings

Edgeless optic image

3x rail covers

Co2 powered for improved consistency

Like all of the other Griffin Armament muzzle devices

Crusader VFC M4 GBB Bolt Carrier Assembly (Steel) Hop Up Components & Inner Barrels 3 gearbox w/ 9mm bearingsFeatures: Full steel construction. Brilliantly made with incredible realism. Heavy weight for added recoil impulse. Compatibility: VFC M4 Gas Blowback Series airsoft rifles. About: The Crusader steel bolt carrier group assembly is designed to work with VFC M4 GBBRs. The bolt carrier group is extremely robust and well made and will offer an amazing recoil impulse. THIS IS AN AIRSOFT PART, THIS IS NOT INTENDED TO BE USED IN ANY ACTUAL FIREARMS.