Introducing the CMMG Banshee MK4, now available in a wider range of calibers, including the highly effective .300 AAC Blackout. This AR-15 pistol is designed to deliver a thrilling shooting experience with a host of advanced features. At its core is a high-quality 4140 chrome moly steel barrel, renowned for its exceptional accuracy. The barrel is treated with a salt bath nitride finish, ensuring long-term durability and resistance to corrosion. Equipped with a pistol-length gas system, the Banshee MK4 .300 AAC Blackout variant handles various ammunition types with ease. The updated Banshee MK4 series incorporates CMMG's Zeroed enhanced AR-15 parts, such as an ambidextrous safety selector with adjustable throw angle and a new linear compensator at the muzzle end. These enhancements are crafted to provide an ergonomic shooting experience tailored to a diverse range of shooters.