Home / Accessory-Silencer Accessories / Dead Air Armament FN 5.7 THREAD ADAPTER 1/2X28 View cart “Gemtech GM9 THREAD REAR MOUNT M18X1RH” has been added to your cart. Dead Air Armament FN 5.7 THREAD ADAPTER 1/2X28$4500 Out of stock SKU: DA422 Category: Accessory-Silencer Accessories Product ID: 33718 Description Description For FN 5.7Requires aftermarket barrelWill not work on OEM barrel Related products Sale! Rugged Suppressors TITANIUM FRONT CAP 7.62 $10000 $8715 Sale! Gemtech ADAPTER UMAREX RIFLES $4500 $4183 Sale! Dead Air Armament GHOST FIXED MOUNT 5/8X24 $8900 $7865 Sale! Dead Air Armament XENO MOUNT FLASH HIDER 1/2X28 $8900 $8472