Home / Accessory-Silencer Accessories / Gemtech PISTON GM-45 LID 9/16-24 You cannot add "CGS Group PISTON 1/2X36 BLACK" to the cart because the product is out of stock. Gemtech PISTON GM-45 LID 9/16-24$14800 Out of stock SKU: 12187 Category: Accessory-Silencer Accessories Product ID: 31204 Description Description GM-45/Blackside Piston Related products Sale! Rugged Suppressors FLASH HIDER FRONT CAP 5.56 $10000 $8715 Sale! Gemtech ADAPTER SIG MOSQUITO $4500 $4183 SilencerCo O-RING BOOSTER PACK $900 Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 $7135