SILENCERCO Piston M16X1LH 45ACP

Piston for SilencerCo suppressors. Pistons are constructed from 17-4 stainless steel and heat treated for maximum durability. Interchangeable to fit different host weapons or subcalibers. The piston is part of the Nielsen device that moves and allows semi-automatic cycling, and contains the female threads that attach to the muzzle of the host pistol or sub-gun. Designed to be swapped to accommodate various host guns and subcaliber configurations.