This Carbine Piston System followed the real firearm design which the gas block could be set at 4 different positions as user's preference. Package included gas block, plug, sleeve bushing and spring parts. Will fit AEG and gas blowback M4.
This Carbine Piston System followed the real firearm design which the gas block could be set at 4 different positions as user's preference. Package included gas block, plug, sleeve bushing and spring parts. Will fit AEG and gas blowback M4.