![SIG SILENCER PISTON 45ACP M16X1LH SIG SILENCER PISTON 45ACP M16X1LH](https://cdn11.bigcommerce.com/s-c6aiidxwtg/images/stencil/300x300/products/15938/22376/BHSIGSRDPISTONM16X1LH__86462.1733269654.jpg?c=1)
Convert your SRD45 suppressor to a .578X28 Right Hand thread pitch with the SRD-PISTON-578X28. 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.