Receivers

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...

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...

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...

At just 10.5'' this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 that's lightweight and perfectly sized to go anywhere. This 5.56mm BANSHEE upper group is built on the Mk4 - AR15 platform,...

Some may question .40 S&W but fans of the .40 know just how capable this cartridge is. Built on the MkGs platform, this 8'' BANSHEE upper group is just the thing for a .40 S&W personal defense weapon with excellent ballistic performance and well-balanced...

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...

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...

For those looking to reach out further with 5.56mm, the ENDEAVOR Mk4 Upper Group is here. Perfect for new builds or for use with an existing AR15 lower receiver, this upper utilizes an 18'' 416 stainless steel barrel with a nitride finish for enhanced...

With over a century of service across the world, .45 ACP has been the pistol caliber of choice for many shooters. For anyone looking to complete the ultimate pistol caliber carbine, the RESOLUTE Upper Group chambered in .45 ACP is here. Available in...

Pair this 12.5'' 5.56mm BANSHEE upper group with the Mk4/standard AR15 lower group of your choice to create a compact AR pistol or SBR that blends maneuverability with carbine like ballistic performance. Available in different Cerakote finishes, all...

Made by Bravo Company MFG, Inc. (BCM) These Barreled Upper Receiver Groups are designed for shooting professionals with the Mil-Spec features for the demands of their duty. They are fully assembled, headspaced, and test fired.

Designed to provide superior ballistics and less felt recoil than most pistol caliber personal defense weapons, 5.7x28mm has quickly become one of the most popular chamberings in the PDW space. With the 8'' BANSHEE upper group you can build the PDW AR15...

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...

RADIAN BUILDER KIT

Some may question .40 S&W but fans of the .40 know just how capable this cartridge is. Built on the MkGs platform, this 8'' BANSHEE upper group is just the thing for a .40 S&W personal defense weapon with excellent ballistic performance and well-balanced...