Receivers

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...

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...

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

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...

After more than a century of faithful use by shooters all over the world, 45 ACP is a cartridge that has proved itself time and time again. For those looking for a modern platform in a classic chambering, look no further than the BANSHEE MkG upper group...

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...

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...

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...

If you're looking for the ultimate pistol caliber carbine chambering, don't sleep on .40 S&W. This MkGs RESOLUTE Upper Group is designed to extract the full, hard-hitting performance of .40 S&W in a package thats easy to shoot with style in a class of...

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...

Gaining more acceptance as the go to personal defense caliber for many shooters in recent years, 5.7x28mm has proven itself to be well suited for the job. With incredibly flat shooting performance and low recoil, 5.7x28 excels at closer ranges while...

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...

Gaining more acceptance as the go to personal defense caliber for many shooters in recent years, 5.7x28mm has proven itself to be well suited for the job. With incredibly flat shooting performance and low recoil, 5.7x28 excels at closer ranges while...

The S&W M&P15 Complete AR-15 Upper is what you need to complete your AR-15 Rifle. This upper is chambered in .223 Rem/5.56 NATO, the barrel is 16 in length, and the barrel has a 1/8 twist. This upper comes with a 10 free float quad rail, Magpul MBUS...