Rugged 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.

Features:
17-4 Stainless Steel
Pistons are generally used with a booster system on handguns
Fixed Spacer required for carbines and subguns