Home / Accessory-Silencer Accessories / Gemtech ADAPTER MM9 5/8-24 300BLK View cart “Dead Air Armament GHOST FIXED MOUNT M13.5X1LH” has been added to your cart. Gemtech ADAPTER MM9 5/8-24 300BLK$7500 In stock Gemtech ADAPTER MM9 5/8-24 300BLK quantity Add to cart SKU: 12175 Category: Accessory-Silencer Accessories Product ID: 31234 Description Description Subsonic ammo onlyFixed Threadmount Related products Sale! Rugged Suppressors R3L FLASH HIDER 5/8X24 $10000 Original price was: $10000.$8715Current price is: $8715. SilencerCo O-RING BOOSTER PACK $900 Sale! Dead Air Armament XENO MOUNT MUZZLE BRAKE 5/8X24 $8900 Original price was: $8900.$8472Current price is: $8472. Sale! Dead Air Armament BOOSTER ASSEMBLY GHOST/WOLFMAN $14900 Original price was: $14900.$12618Current price is: $12618.