Description
Sig Sauer Replacement Pistons for Sig SRD Suppressors are a made of 17-4 heat treated stainless steel with a matte bead finish. The piston will fit a variety of hosts, and is a perfect choice for converting your SRD45 to .578″-28, 16x1RH or 16x1LR. Simply swap the conversion piston with the original piston in your silencer to match your barrel thread pattern.








