Rocket Airsoft Aluminum Piston Head G&G Stretchy neoprene material is warm

Stretchy neoprene material is warm and water resistant

KM Head Buffer Hopup Rubber Chamber

The resulting EPF-S is not only stylish but also extremely comfortable to use

The 300mm is for the shorter G-spec series

Rocket Airsoft Aluminum Piston Head G&G Stretchy neoprene material is warmRocket 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).