Sig Sauer SRDPISTONM16X1LH SRD Piston 45ACP M16x1 LH 17-4 Stainless Steel Black

Convert your SRD45 suppressor to a 16x1 Left Hand thread pitch with the SRD-PISTON-M16X1LH. The piston is made of 17-4 heat treated stainless steel, with a matte glass bead finish, and it will fit a variety of hosts. Simply swap the conversion piston with the original piston in your suppressor to match your barrel thread pattern.