SilencerCo, Piston, 1/2X28 Fits Osprey/Octane

SilencerCo, Piston, 1/2X28, Fits Osprey/Octane Compatible with Omega K Series, Hybrid 46, Osprey Series, Octane Series Compatible with Hybrid 46M and Omega 36M with Charlie Piston Mount 17-4 Stainless Steel Construction Heat Treated