Introducing the CMMG Banshee MK4, now available in an expanded range of calibers, including the highly effective .300 AAC Blackout. This AR-15 pistol is designed for maximum fun and performance, starting with its high-quality 4140 chrome moly steel barrel that ensures exceptional accuracy. The barrel is treated with a salt bath nitride finish for unmatched durability and resistance to corrosion. Equipped with a pistol-length gas system, the Banshee MK4 .300 AAC Blackout variant handles a variety of ammunition types with ease. Updated with CMMG's Zeroed enhanced AR-15 parts, this pistol features an ambidextrous safety selector with adjustable throw angle and a new linear compensator at the muzzle, enhancing the ergonomic shooting experience for shooters of all types. The Banshee MK4 represents a new standard in AR-15 pistols, combining precision engineering with versatile performance to deliver an exhilarating shooting experience.