This 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.
Note: 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.Â
Features:
- Finish: Copper
- Material: 17-4 Stainless Steel
- Thread Pattern: 9/16×24
- Heat Treated
SKU: AC669
SKU: AC668
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