RUGGED PISTON .578X28
Visit RSR GroupRugged's piston features a non-slotted design that creates a complete circumference gas seal. This significantly reduces gas blowback for a better shooting experience. Machined from 17-4 Stainless Steel and heat treated, this piston is built for durability.
- Thread Pitch: .578x28
- Booster system not included
- Machined from 17-4 Stainless Steel