Rugged Suppressor OEM Piston Copper .578"X28 tpi Rugged Suppressors Piston uses a Non-Slotted Design creating a Full Circumference Gas Seal. This Drastically lowers Gas Blowback For a More Enjoyable Shooting Experience. Machined From 17-4 Stainless Steel And Heat Treated This Piston Is Built To Last. *When using a Piston On a Fixed Barrel Platform Such as a Carbine Or subgun The Spring Must Be replaced With a Fixed Barrel Spacer. Type: Silencer Piston Model: OEM Material: 17-4 Stainless Steel Thread Pattern: .578X28 Finish: Copper
