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![SIG SAUER SRD9 Pistol Silencer Replacement Piston 9mm Luger Threaded Metric 13.5x1 LH TPI- Stainless Steel SIG SAUER SRD9 Pistol Silencer Replacement Piston 9mm Luger Threaded Metric 13.5x1 LH TPI- Stainless Steel](https://www.selwayarmory.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/0/2/02872_1.jpg)
SIG SAUER SRD9 Pistol Silencer Replacement Piston 9mm Luger Threaded Metric 13.5x1 LH TPI- Stainless Steel
![SIG 516 Piston Driven AR15 Upper Receiver Assembly, adjustable gas system, bayonet lug, 1 in 7 RH twist, 10.5" Barrel length, factory quad rail SIG 516 Piston Driven AR15 Upper Receiver Assembly, adjustable gas system, bayonet lug, 1 in 7 RH twist, 10.5" Barrel length, factory quad rail](https://www.apexgunparts.com/pub/media/catalog/product/cache/d2ada79a3e3c3833bddc5d095ac9bfef/0/8/08_june23_ger_2428010f.jpg)