Home / Accessory-Silencer Accessories / Gemtech ADAPTER MM9 5/8-24 300BLK You cannot add "Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28" to the cart because the product is out of stock. Gemtech ADAPTER MM9 5/8-24 300BLK$7500 Out of stock SKU: 12175 Category: Accessory-Silencer Accessories Product ID: 31234 Description Description Subsonic ammo onlyFixed Threadmount Related products Gemtech THREAD PROTECTOR 1/2-28 RF $1800 SilencerCo O-RING BOOSTER PACK $900 Gemtech ADAPTER S&W M&P22C/22LR $6200 Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 $7135