Dead Air Xeno A1 Flash Hider, 5/8-24", Black Overview The Dead Air Xeno A1 Flash Hider is a durable, lightweight muzzle device designed to function as a standalone flash hider or as part of the Xeno Mount System. Constructed from nitrided 4140 steel, it provides a secure mounting interface with repeatable lock-up, minimal added length, and corrosion-resistant durability. Key Features Designed for use as a standalone flash hider or with Xeno Adapter-equipped suppressors 5/8-24 thread pitch for compatible .30 caliber firearms Nitrided 4140 steel construction provides hardness and corrosion resistance Left-handed thread interface helps prevent the suppressor adapter from loosening during removal Large taper provides repeatable mounting and consistent return to zero Shortened mounting design minimizes added length and weight Accessible tooling surfaces allow for convenient installation and maintenance Xeno system design helps minimize focused erosion inside the suppressor blast chamber Specifications Thread Pitch: 5/8-24 Bore Diameter: .30 caliber Overall Length: 2.16" Outside Diameter: .99" Weight: 3.36 oz. Material: 4140 HT QPQ Black Nitride Coated Tool Feature: 3/4" Wrench Feature MPN: DA122 UPC: 810128160636 / 810042342149 Applications The Xeno A1 Flash Hider is designed for compatible .30 caliber firearms and can be used as a standalone muzzle device or with the Dead Air Xeno Mount System for compatible suppressors. Additional Features The Xeno mounting system uses left-handed threads between the flash hider and adapter to help maintain a secure connection during suppressor removal. The flash hider also provides accessible wrench surfaces for installation and servicing, even when the suppressor is installed. Check out our special deals on 5.56 ammo.