SilencerCo AC24 Osprey/Octane Piston .578x28, Black - AC24

This is a suppressor piston designed for SilencerCo Osprey and Octane suppressors chambered in .45 ACP with .578x28 thread pitch. Constructed from 17-4 stainless steel and heat-treated for durability, the piston features female threads for direct muzzle attachment and is part of the Nielsen device that enables semi-automatic cycling on unlocked pistol barrels. Pistons are easily interchangeable between different host weapons and calibers.