Product Overview
This is a Sig Sauer Piston chambered in 9MM, model SRD-PISTON-12X28.
Convert your SRD9 or SRD45 suppressor to a 1/2x28 Right Hand thread pitch with the SRD-PISTON-12X28. The piston is made of 17-4 heat treated stainless steel with a matte glass bead finish. The piston will fit a variety of hosts" and it is a perfect choice for converting your SRD45 to 9mm. Simply swap the conversion piston with the original piston in your suppressor to match your barrel thread pattern.
Features:
1/2X28 thread pitch
17-4 stainless steel construction
Matte glass bead finish