The CMMG Banshee MK4 returns with an expanded range of calibers, now including the versatile .300 AAC Blackout. This AR-15 pistol is designed for enjoyment and functionality, featuring a premium 4140 chrome moly steel barrel that delivers exceptional accuracy. The barrel is coated with a salt bath nitride finish for extended durability and resistance to corrosion. Equipped with a pistol-length gas system, the Banshee handles various .300 AAC Blackout ammunition types effectively. The Banshee MK4 series incorporates CMMG's advanced Zeroed enhanced AR-15 components, such as an ambidextrous safety selector with adjustable throw angle and a new linear compensator at the muzzle, ensuring ergonomic shooting comfort for a diverse range of shooters.