SilencerCo Piston Kit, Includes 1x2x28, .578x28, 13.5LH, 16x1LH, 9/16x24 AC728

• 17-4 stainless steel construction
• Heat treated
• Fit multiple SilencerCo silencers

Product Description:

SilencerCo pistons were designed to be easily changed for different host firearms or calibers. 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 our SilencerCo threaded barrels.