SIG SAUER Pistol Silencer Piston M16X1LH
- Conversion piston for the SRD silencer to M16x1 left-hand threading
- Caliber: .45 ACP
- Material: 17-4 heat treated stainless steel
- Finish: matte glass bead
- Fits a variety of hosts; swap the piston with the original to match the barrel thread pattern