Receivers

The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...

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,...

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...

While the ENDEAVOR Mk4 - AR15 lower receiver might meet mil-spec, every other part on this lower group goes beyond to meet CMMG specs. Available in your choice of different Cerakote finishes, this ENDEAVOR lower group comes with the Magpul MOE Rifle...

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...

Machined from billet 7075-T6 aluminum, the AXTS AX556 is a fully ambidextrous lower receiver for AR15-style firearms. In addition to the Talon Ambidextrous Safety Selector, left-side magazine release, and right-side bolt release, the AX556 features the...

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...

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...

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...

Available in different Cerakote finishes, the CMMG Mk3 lower receiver is just the thing you need to start an AR10 style build. Based on the DPMS LR308 gen 1 high pattern design, the Mk3 platform is compatible with the most common and popular .308 AR...

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...

DS-15 Stripped Matched Billet Receiver Set (Fixed Magazine)

Whether it's the classic style or forward assist functionality that piques your interest, the Mk4 AR15 upper receiver assembly has been a staple in the CMMG lineup. Available in different Cerakote finishes, this mil-spec workhorse has been proven over...

Personal defense calibers like 5.7x28mm have become a big thing in the last few years, and if you're looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine this RESOLUTE Upper Group with either the CMMG Mk57...

Designed from day one for the AR15 platform, 300BLK was made to utilize many of the most common AR components in existence. With the 12.5'' BANSHEE upper group you can build your next 300BLK AR with character like no other. Available in Cerakote...

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...