Compare Quick view Sig Piston 9mm Sig Sauer Log in for pricing Convert your SRD9 or SRD45 suppressor to a 13.5x1mm Left Hand thread pitch with the SRD-PISTON-M135X1LH. The piston is made of 17-4 heat treated stainless steel with a matte glass bead finish. The... Log in for pricing Compare Quick view Qty in Cart: 0 Price: Log in for pricing Subtotal:
