Receivers

Designed to accept and function properly with 10mm Glock and SGM magazines, the Mk10 lower receiver assembly is built to the same fit and finish expected of any CMMG product. Featuring an integrated trigger guard, last round bolt hold open, as well as an...

Picking the right AR15 pistol lower can be confusing, especially when considering what parts and accessories you need. CMMG has taken out the guess work with the BANSHEE Mk4 lower group. Each lower group comes with a suite of innovative parts like the...

Whether you're starting or expanding your Mk47 collection, this 8'' 7.62x39mm BANSHEE upper group is sure to be a blast. Combining elements of ARs and AKs, the Mk47 is CMMG's midsize platform sitting between the AR25 - Mk4 and AR10-size - Mk3 platforms...

The Geissele Super Duty MOD1 Upper (Complete) features the latest in weapon technology available exclusively from Geissele Automatics. This 11.5'' complete upper chambered in 5.56mm features a nanoweapon-coated HUXWRX Flash Hider-QD muzzle device mounted...

Originally created for use in subsonic/suppressed applications, .300 BLK has evolved into a very capable caliber, available in a variety of subsonic and supersonic loadings. Whether it's hunting, personal defense, or target shooting, this .300 BLK...

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...

Don't build a .22 LR that looks like an AR, build an AR that happens to be chambered in .22 LR. Equipped with a 4.5'' barrel, the shortest CMMG offers in any caliber, this BANSHEE upper group is built on the Mk4 platform, and is designed to work with any...

DS25 Typhoon Standard Rifle Builders Kit .308 Black Anodize, DS25 7075 Billet Upper / Lower Receiver Set, 16 Threaded Barrel, Mid-Length Gas, 1:10, DS25 BCG, DS25 Buffer Tube

Built with the same attention to detail you would come to expect from CMMG, this RESOLUTE Mk3 lower group based on the DPMS Gen 1 high-pattern design, giving shooters the most popular and widely supported AR10 style platform. Shooters that prefer...

Livewire is a more traditional style AR15 receiver, but still unlike anything else out there with looks all its own: Heavily flared mag well, ambidextrous bolt release, a stepped transition between trigger guard and mag well, threaded bolt catch pin,...

Perfect for building a .22 LR AR, this BANSHEE Mk4 pistol lower replaces the FASTBACK buffer tube and RIPBRACE found on other CMMG AR pistols with our pic rail receiver end cap. By removing the buffer system, not needed for dedicated .22 LR uppers,...

Build the ultimate 10mm AR pistol with the BANSHEE Mk10 pistol lower group. Designed to accept Glock-pattern 10mm magazines, BANSHEE Mk10 lower groups are available in Cerakote finishes and come outfitted with a variety of meticulously crafted CMMG parts...

Expertly crafted from aircraft grade aluminum, CMMG Mk4/AR15 upper receiver assemblies come with the ZEROED Polymer Dust Cover pre-installed. Available in different Cerakote finishes, this upper receiver omits the forward assist for those looking for a...

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...

Not sure about an 8'' barrel but not quite up for the 16''? Well, you're in luck! At 12.5'' this Mk47 BANSHEE upper group is just the thing to scratch that 7.62x39mm itch. Built on the mid-size Mk47 platform, this upper group is designed to work with...

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...