Receivers

Built to be the ultimate base to start a new .45 ACP AR pistol build, the BANSHEE MkG lower group is ready to go out of the box, pair the lower with a CMMG .45 ACP Radial Delayed Blowback upper and hit the range. This lower is designed to accept...

Designed exclusively around the 7.62x39mm cartridge, this Mk47 BANSHEE pistol lower group is made to accept most AK47-style magazines. The Mk47 is CMMG's mid-size platform, utilizing beefier components and receivers than a standard AR15/Mk4 without the...

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...

Don't settle for anything less when it comes to finding the right lower for your AR10 pistol build. Since there is no official ''mil-spec'' for AR10 style firearms and components, CMMG based the Mk3 platform off the popular and widely supported DPMS Gen...

Built with style and craftsmanship like no other, this ENDEAVOR Mk3 lower group is the perfect base to build your next AR10. To maximize modularity and customization potential, the AR10 sized Mk3 platform is based on the widely popular DPMS Gen 1...

Having more options is always better. The Mk17 platform is another evolution of CMMG's 9mm lineup. This BANSHEE pistol lower group gives shooters the ability to use any new or existing CMMG 9mm Radial Delayed Blowback upper and utilize Sig...

Introducing the new GVAC system from Gemtech. Significantly reduce the amount of gas blowback you'll experience wwhen shooting suppressed with its patented design. The re-imagined barrel profile, enhanced bolt carrier profile, enhanced bolt carrier...

As the original 9mm platform from CMMG, the Mk9 has evolved over time with improvements like Radial Delayed Blowback to provide shooters a platform with less felt recoil and a lighter BCG. Designed to accept Colt-style 9mm SMG magazines, this RESOLUTE...

Start your 7.62x39mm build off right. The CMMG Mk47 mid-size platform was designed around the famous Soviet-era cartridge to address the common concerns of 7.62x39mm AR15s. This Mk47 RESOLUTE lower group accepts most conventional AK47 pattern magazines...

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...

Built to be the ultimate base to start a new .45 ACP AR pistol build, the BANSHEE MkG lower group is ready to go out of the box, pair the lower with a CMMG .45 ACP Radial Delayed Blowback upper and hit the range. This lower is designed to accept...

When it comes to picking a lower for your 5.7x28mm carbine or SBR, this RESOLUTE Mk57 lower group capitalizes on cross-compatibility, giving you the ability to use the same magazines on your Mk57 rifle and other firearms that utilize FN Five-seveN...

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.

When it comes to picking a lower for your 5.7x28mm carbine or SBR, this RESOLUTE Mk57 lower group capitalizes on cross-compatibility, giving you the ability to use the same magazines on your Mk57 rifle and other firearms that utilize FN Five-seveN...

.625 Gas Block Diameter. M4 feedramps. Mid-Length Direct Impingement Gas System. Combat Series M-LOK Handguard. MI A2 Flash Hider.

Designed to feed any of the 5.7x28mm upper groups, the BANSHEE Mk57 pistol lower group is feature packed and built with unmatched attention to detail. Whether you have a collection of FN Five-seveN style magazines already or like the notion of being able...