Home / Accessory-Silencer Accessories / Gemtech ADAPTER MM9 5/8-24 300BLK View cart “Dead Air Armament SANDMAN 5.56 FRONT CAP” has been added to your cart. 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 Sale! Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI $8900 $8351 Sale! Rugged Suppressors OBSIDIAN45 3 LUG ADAPT 9/16X24 $8500 $7561 Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 $8715 Sale! SilencerCo BRAVO ANCHOR BRAKE 458CAL BLK $9400 $8606