Home / Accessory-Silencer Accessories / Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28 View cart “Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24” has been added to your cart. Sale! Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28$8500 $8444 Out of stock SKU: 12196 Category: Accessory-Silencer Accessories Product ID: 26726 Description Description For GM-45 SilencerRear Thread Adapter Related products Sale! SilencerCo BRAVO ANCHOR BRAKE 30CAL BLACK $9400 $8606 Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100 Sale! Dead Air Armament WOLVERINE INSERT 15MM RH HK $8900 $7865 SilencerCo O-RING BOOSTER PACK $900