SilencerCo AC31 Osprey/Octane Piston 9/16x24 40 S&W Stainless Steel

This piston by SilencerCo is made out of 17-4 stainless steel, and is used for .40 S&W caliber handguns. Made for the Osprey and the Octane, this piston features a 9/16"x24 thread pattern. The AC31 Piston is specifically crafted for owners of the SilencerCo Osprey 40, Osprey 45, Octane 9, Octane 40, or Octane 45 suppressors who wish to use it with a .40 S&W caliber handgun. It is a versatile, easily changeable piston system designed for quick adaptation across different host firearms and calibers, crafted from 17-4 stainless steel and heat-treated for maximum durability.