Receivers

The CAR816 A2 is a short-stroke push rod gas piston rifle chambered in 5.56x45mm NATO; the piston is controlled by a three-position gas valve. It's manufactured with the best materials such as a Carpenter 158 bolt housed in an anti-tilt carrier, 4150 CMV...

Chambered in one of the most iconic calibers with over a century of faithful use, the 5'' BANSHEE MkG upper group in 45 ACP is the shortest MkG upper CMMG offers. Ready to pair out of the box with an existing or new MkG lower group, this upper is the...

Building an AR in a larger caliber like .308 Win doesn't mean you have to sacrifice portability. The BANSHEE Mk3 upper group chamber in .308 Win is just the thing to complete the go anywhere .308 AR10. The CMMG Mk3 platform is based on the popular DPMS...

If you're looking to build the most compact 9mm AR then look no further. CMMG's 9mm RDB uppers feature uncompromised design and engineering with styling that is never mistaken for something else. Having more options is always better, like what magazines...

Featuring an 8'' barrel, superior ergonomics, and styling that is one of a kind, the Mk10 BANSHEE upper group is just the thing for a personal defense weapon in the best millimeter, 10mm. Pair this Mk10 upper with the Mk10 lower group and all you will...

Looking to build the ultimate 9mm pistol caliber carbine? We have you covered! Utilizing our Radial Delayed Blowback operating system, not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably CMMG, this upper...

Chambered in 6mm ARC, this RESOLUTE Upper Group is designed to pair with any standard AR15 pattern lower group. Harness the capability of 6mm in this uniquely designed RESOLUTE 16.1'' upper. Available in different Cerakote finishes, all CMMG Upper Groups...

350 Legend was introduced in 2019 as a fast moving straight-walled cartridge that gives deer hunters in states with caliber/cartridge restrictions a round that delivers optimal power on target with less recoil than other popular hunting calibers like ...

Designed to be a flat shooting round at medium to long ranges, 6.5 Grendel offers efficient ballistic performance native to many 6.5mm bullet designs. The upside here is that this RESOLUTE Mk4 Upper Group in 6.5 Grendel is built on the Mk4 platform and...

300BLK has proven itself to be an incredibly capable round in a variety of applications, from close quarters to mid-range and ammo loadings optimized for subsonic/suppressed as well as supersonic, there is use for almost every need. Whether you're...

RADIAN BUILDER KIT

Created to combine the best attributes of 9mm and 45 ACP, .40 S&W has proven itself to be an incredibly capable round. Now anyone looking to build a powerful and ultra-compact .40 S&W personal defense weapon can in no time. Simply pair with a CMMG MkGs...

Built on the mid-size Mk47 platform that falls between AR15 and AR10/LR308 size, this Mk47 RESOLUTE Upper Group is made to be the one of the most robustly built 7.62x39mm AR uppers in existence. Due to the increased receiver and component size, Mk47...

300BLK has proven itself to be an incredibly capable round in a variety of applications, from close quarters to mid-range and ammo loadings optimized for subsonic/suppressed as well as supersonic, there is use for almost every need. Whether you're...

Top off your next build with this RESOLUTE Mk4 Upper Group. Chambered in 5.56x45mm, this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Available in different Cerakote finishes, all CMMG Upper...

Combining carbine-like ballistic performance and compact size, this 8'' BANSHEE upper group is what you need for the ultimate 9mm AR. Not only does this 9mm upper utilize CMMG's RDB technology, but shooters also have a number of lower/magazine pairing...