The Rugged Suppressors .578x28 piston enables secure mounting of Rugged Obsidian, Obsidian45, and other compatible Rugged suppressors to host firearms with .578x28 threaded barrels.
Type: Suppressor Piston
Thread Pitch: .578x28
Material: Stainless Steel
Finish: Black Nitride
Compatible Suppressors: Rugged Obsidian, Obsidian45, and select Rugged pistol suppressors
Compatible Firearms: HK45, HK45C, HK45T, USP Tactical, SIG P227, CZ pistols with .578x28 threads
