SilencerCo AC30 Osprey/Octane Piston 5/8x24 30 Cal 5/8"-24 tpi Stainless Steel Stainless Steel
This piston by Silencer Co. is made out of 17-4 stainless steel, and is used for .30 caliber handguns. Made for the Osprey and the Octane, this piston features a 5/8"x24 thread pattern.