The CMMG 57A340FAB is a superior-quality Banshee built on the Mk57 platform. It is designed to accept FN Five-seveN pattern magazines and is complemented by an easy-to-use oversized mag release feature. This model is characterized by its exceptional EML handguards and includes full length M-LOK slots on both sides as well as the bottom of the handguard. Further, it provides M-LOK between the top picatinny rail sections.Additionally, the Banshee utilizes a Radial Delayed Blowback operating system, enhancing its performance and reliability. It boasts a full kit of Zeroed parts that incorporate a pistol grip, a drop-in trigger, a 60/90 degree ambi safety, a 9mm linear compensator, an AR15-ambi charging handle, a bolt catch, and a polymer dust cover. As an added bonus, it comes with a 20rd ProMag magazine, rounding off this comprehensive package.