CMMG Banshee MK57 5.7x28mm 8" AR Pistol in Black - 57A340FAB

Your search for the ultimate personal defense weapon ends here. Meet the MK57 BANSHEE, chambered in 5.7x28mm with an optimized 8 inches barrel to unleash the full potential of this close-range caliber. built on the MK57 platform, this BANSHEE accepts FN Five-seveN pattern magazines and features an oversized mag release for intuitive handling. Despite using pistol magazines, the MK57 retains familiar AR functionality such as last round bolt hold open, ensuring reliability and ease of use. From the rapid-deploying RIPBRACE to the sleek receivers and EML handguards, every BANSHEE is designed to be your dependable personal defense weapon. With full-length M-LOK slots on both sides and the bottom of the handguard, along with M-LOK between top picatinny rail sections, you have ample space for essential accessories. CMMG's Radial Delayed Blowback system, initially developed for the .45 ACP MKG platform, has been adapted across our pistol caliber lineup, offering a softer recoil impulse and reduced bolt weight compared to traditional straight blowback systems.