Receivers

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...

Whether you're looking to build an AR pistol in 9mm or .40 S&W, the BANSHEE MkGs pistol lower group is the perfect place to start. Designed to accept Glock-pattern magazines this MkGs lower makes caliber swaps a snap. Simply match your MkGs lower with...

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

Striking the balance between long-range performance and maneuverability, this 20'' ENDEAVOR Mk3 Upper Group in .308 WIN can pack a punch up close and at extended distances. The CMMG Mk3 platform is based on the popular LR-308/DPMS Gen 1 High-Pattern...

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...

Whether you're looking to finish up your next .22 LR build or have a dedicated .22 upper for some cheap plinking, put the 9'' BANSHEE on your list. Designed to work with CMMG .22 AR Conversion Mags and any standard AR15 lower group, this .22 LR upper...

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...

The Radian Model 1 Upper Receiver and Hand Guard are precision CNC machined as a matching set, structurally reinforced in critical areas for improved strength and rigidity. The upper receiver is cut from billet 7075-T6 aluminum and assembled with dust...

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...

CMMG was the first to bring a 4.6x30mm firearm to the U.S. civilian market, continuing a tradition of innovation, shooters everywhere can now build a light recoiling, flat shooting PDW (personal defense weapon) like no other. Designed to work with any...