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...

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,...

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...

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...

Precision machined from forged 7075 T6 aluminum, the CMMG Mk4 AR15 lower receiver is the quality mil-spec lower ready to be the foundation for your next build. The Mk4 stripped lower comes standard in a black hard coat anodized finish and can be...

BCM Lower Group w/BCMGUNFIGHTER Stock Mod-0-SOPMOD (Wide-body) - Black

The Geissele Super Duty Stripped Lower, is precision machined from 7075-T6 aluminum forging and quality assured to the mil-spec standard at the Geissele facility. The Super Duty stripped lower is the heart of your next build, ready to accept your...

Start your AR10 upper build with looks and quality like no other. The CMMG Mk3 upper receiver assembly, based on the DPMS LR308 gen1 high-pattern design, gives shooters an AR10-style platform with the widest range of compatible parts and accessories on...

Precision machined to correct Mil-Specs from 7075 T6 Forgings extension, providing the user with superior strength when dropped or when mortaring malfunction clearance drills. Includes Mil-Spec Forward Assist with heat treated tool steel pawl, with press...

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,...

The Geissele Super Duty Stripped Lower, is precision machined from 7075-T6 aluminum forging and quality assured to the mil-spec standard at the Geissele facility. The Super Duty stripped lower is the heart of your next build, ready to accept your...

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

The original entry in the Radial Delayed Blowback series, the CMMG MkG Lower Assembly is perfect for anyone wanting to build a pistol caliber carbine (PCC) that packs the punch of .45 acp without the recoil or weight of traditional blowback operated PCCs...

Start your AR10 upper build with looks and quality like no other. The CMMG Mk3 upper receiver assembly, based on the DPMS LR308 gen1 high-pattern design, gives shooters an AR10-style platform with the widest range of compatible parts and accessories on...