Home / Accessory-Silencer Accessories / Dead Air Armament XENO MOUNT MUZZLE BRAKE 1/2X28 Sale! Dead Air Armament XENO MOUNT MUZZLE BRAKE 1/2X28$8900 Original price was: $8900.$8472Current price is: $8472. Out of stock SKU: DA123 Category: Accessory-Silencer Accessories Product ID: 27662 Description Description 5.56 Rifle Muzzle Brake Related products Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 Original price was: $7495.$7135Current price is: $7135. Sale! Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI $8900 Original price was: $8900.$8351Current price is: $8351. Gemtech ADAPTER MM9 FTM 1/2-28 $7500 SilencerCo DELTA 1/2X28 THREAD SPACER $1900