SilencerCo AC728 Osprey/Octane Piston Kit 5 Piece Stainless Steel

This piston kit by Silencer Co. contains 5 pistons and three O-ring packs. The kit features .578×28 piston (1) 1/2″x28 piston (1) 16mm x 1 LH piston (1) 13.5mm x 1 LH piston (1) and 9/16″x24 piston (1). This kit is made to fit the Osprey and Octane suppressors by Silencer Co.