SilencerCo Piston 1/2X28 XL

Specs

• Model Extended Piston
• Fits Osprey/Octane AC59 SilencerCo pistons are designed for easy replacement to fit different host firearms or calibers.
• 1/2X28 XL

Key points

• They are made from 17-4 stainless steel and heat-treated for maximum durability
• The piston is part of the Nielson device, which moves to enable semi-automatic cycling and unlock pistol barrels
• Use a Fixed Barrel Spacer for fixed barrel setups
• SilencerCo pistons feature female threading that connects to SilencerCo threaded barrels