USED SilencerCo Piston Muzzle Device 1/2x28 SN Soft Shoulder 9mm Stainless Steel

USED SilencerCo Piston Muzzle Device 1/2x28 SN Soft Shoulder 9mm Stainless Steel. Pistons are built with 17-4 stainless steel then heat-treated for maximum durability. The piston is part of the Nielson device that moves and allows semi-automatic cycling for unlocking pistol barrels. Throw a Fixed Barrel Spacer on for fixed barrel applications. SilencerCo pistons have female threading that attaches to SilencerCo threaded barrels. XL pistons are for firearms where the silencer requires additional length between the threaded barrel and the silencer. Specifications for SilencerCo Piston Muzzle Device: Manufacturer: SilencerCo Fabric/Material: 17-4 Stainless Steel Color: Black Package Contents: SilencerCo Piston Muzzle Device SilencerCo AC1756: Piston Muzzle Device 1/2x28 SN Soft Shoulder 9mm Stainless Steel