Fortify your upgrade build on your Amoeba Striker bolt action sniper rifle with reinforced parts. This piston is suggested for players looking to push past 450 FPS on the airsoft gun while reducing the chances of significant amount of wear and tear. The aluminum body assists in handling the stress from a strong spring. Toward the rear, the sear contact point area is made out of stainless steel for a rigid and reliable part engagement. This model is designed to work for the Amoeba Striker series.