Home / Accessory-Silencer Accessories / Gemtech ADAPTER MM9 5/8-24 300BLK View cart “SilencerCo DELTA 1/2X28 THREAD SPACER” 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 SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH $7495 $7135 Gemtech ADAPTER MM9 FTM 1/2-28 $7500 Sale! SilencerCo BRAVO ANCHOR BRAKE 458CAL BLK $9400 $8606