Rocket Airsoft Aluminum Piston Head G&G or you're looking for a

or you're looking for a piston that can handle the stress of 500+ FPS

Discharge to a safe level 3

you cannot beat this airsoft piston

KM Head Buffer Hopup Rubber Chamber

Rocket Airsoft Aluminum Piston Head G&G or you're looking for aRocket Airsoft Aluminum Piston Head is super high quality, CNC machined. Made for precision shooting in your custom airsoft gun. May be silver blue, or red metal color (the color varies based on production run, but it's all the same), very smooth finish for the absolute best performance in your gun. Has roller bearings inside. One of the best piston heads made for the money. (please note: packaging may be generic or labeled as 'Rocket Airsoft' OEM).