Home / Accessory-Silencer Accessories / Dead Air Armament XENO MOUNT MUZZLE BRAKE 5/8X24 View cart “Gemtech PISTON GM-45 LID MK23” has been added to your cart. Sale! Dead Air Armament XENO MOUNT MUZZLE BRAKE 5/8X24$8900 $8472 Out of stock SKU: DA124 Category: Accessory-Silencer Accessories Product ID: 27665 Description Description .30 Caliber Rifle Muzzle Brake Related products Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 $6042 Gemtech THREAD PROTECTOR 1/2-28 RF $1800 SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Gemtech PISTON GM9/MM9/TUNDRA 1/2-28 $8000