Home / Accessory-Silencer Accessories / Dead Air Armament THREAD PROTECTOR 1/2X28 Dead Air Armament THREAD PROTECTOR 1/2X28$2900 In stock Dead Air Armament THREAD PROTECTOR 1/2X28 quantity Add to cart SKU: DA424 Category: Accessory-Silencer Accessories Product ID: 60326 Description Description Related products Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 Original price was: $7495.$7135Current price is: $7135. Sale! Dead Air Armament XENO QD NOMAD MOUNT $13900 Original price was: $13900.$11895Current price is: $11895. Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100 SilencerCo DELTA 1/2X28 THREAD SPACER $1900