Dead Air DA125 Xeno Wee Brake 9mm 1/2x28 Black Nitride Muzzle Device

The Dead Air DA125 Xeno Pistol Wee Brake is a compact 9mm muzzle brake purpose-built as a quick-detach (QD) mounting interface for pistol-caliber sub-guns and pistol-caliber carbines. It allows the shooter to rapidly attach and detach compatible Dead Air Xeno-equipped suppressors and accessories without tools, making suppressor changes fast and repeatable on the range or in the field.

The Wee Brake is machined from durable 4140 HT alloy steel for long service life under repeated QD use, and finished in low-glare Black Nitride for corrosion resistance. It carries a standard 1/2"-28 thread pattern suited to common 9mm barrel fittings, with a 9mm bore size across all thread pitch options. Its compact "Wee" profile keeps the brake unobtrusive on pistol-caliber hosts while still providing the Xeno lug geometry needed for a solid, repeatable QD lock-up.

Designed and manufactured by Dead Air for the Xeno mount ecosystem, the DA125 is the 9mm 1/2"-28 variant of the Pistol Wee Brake family and pairs with sub-gun and PCC hosts where a slim, dependable QD muzzle interface is required.