CGS Group Nautilus Piston .578x28 Thread Pattern

Nautilus Features The Nautilus Pistons allows the user to attach the silencer to any firearm that has barrel threads matching the piston threads. This piston system is also self aligning and the piston itself has a very positive spoke lock to the housing. Nautilus Specifications Brand: CGS Suppressors Model: Nautilus Series: Piston Finish: Black Nitride Material: 17-4 Stainless Steel Length: 2 Thread Pattern: .578 x 28 Weight: 1.30 oz