As CMMG's oldest 9mm platform, the Mk9 is continuing to go through changes to become even better than before. Introducing, the new and improved Mk9, now utilizing CMMG's patented Radial Delayed Blowback operating system. Radial Delayed Blowback guarantees less felt recoil for the shooter, offering a more enjoyable shooting experience. CMMG's Mk9 platform is designed to use Colt SMG-style magazines and is offered in both BANSHEE and RESOLUTE configurations. INSTALLED COMPONENTS: Feed Ramp, Bolt Catch, Mag Catch CMMG has made a small modification to 9mm barrels in order for them to be compatible with Mk9 lower receivers. This modification Mfg: Cmmg
