Rocket Airsoft Aluminum Piston Head G&G The resulting EPF-S is not

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

Whether you need a replacement for your broken stock piston

The 300mm is for the shorter G-spec series

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

if something does go wrong

Rocket Airsoft Aluminum Piston Head G&G The resulting EPF-S is notRocket 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).