Home / Accessory-Silencer Accessories / Dead Air Armament FN 5.7 THREAD ADAPTER 1/2X28 You cannot add "Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28" to the cart because the product is out of stock. Dead Air Armament FN 5.7 THREAD ADAPTER 1/2X28$4500 In stock Dead Air Armament FN 5.7 THREAD ADAPTER 1/2X28 quantity Add to cart 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 OBSIDIAN45 3 LUG ADAPT 9/16X24 $8500 Original price was: $8500.$7561Current price is: $7561. Sale! Dead Air Armament XENO MOUNT FLASH HIDER 5/8X24 $8900 Original price was: $8900.$8472Current price is: $8472. Sale! Dead Air Armament WOLVERINE INSERT 15MM RH HK $8900 Original price was: $8900.$7865Current price is: $7865. Sale! Dead Air Armament HUB DIRECT THRD MNT 5/8X24SIG $8900 Original price was: $8900.$8351Current price is: $8351.