CMMG

CMMG's 9mm Barrel and BCG Kit allow you to build a Pistol Caliber Carbine using our Patent Pending Radial Delayed Blowback System. Unlike typical direct blowback systems, RDB uses a bolt that is...

Magazine, AR15, 350 Legend, 10rd

Grabbing some mags for your Radial Delayed Blowback 9mm? These Gen II 9mm magazines work in Mk4/AR15 lower receivers with a CMMG 9mm Radial Delayed Blowback upper and feature the iconic CMMG styling...

Just swap this drop in conversion with the bolt carrier group from your 5.56/.223 chambered rifle and you will be ready to shoot .22LR. Ships with 3 25rd magazines.  For best performance use a...

Mil-Spec AR15 Barrel Nut

Split type gas rings for Mil-Spec AR-15 bolts. Package comes with 3 gas rings.

Pin, Roll, Bolt Catch, AR15

Gas Block: 0.750"" Non-Adjustable

Mk47 Bolt Carrier Group

Platform: Mk3

CMMG Ambidextrous quick detach sling mount Receiver End Plate for AR-15 and LR-308 rifle

CMMG’s new 22LR 25rd magazine combines the proven functionality of our original 22ARC magazines with all new exterior styling to match the looks of our lineup of firearms and other conversion...

Safety Selector: Ambi

Hammer Hammer Spring Trigger Trigger Spring Disconnect Disconnect Spring Hammer and Trigger Pins

Platform: Mk4 Caliber: 5.56x45mm Finish: Flat Dark Earth Magazine: 30 Rounds

Bolt: 9310 Steel, Phosphate Finish Carrier: 8620 Steel, Chrome Lined, Phosphate Finish Extractor: 4140 Steel, Phosphate Finish

Attaches to standard M-Lok handguard systems to mount 1913 Picatinny accessories.

AR-15 Survival parts kit. Mil-spec 5.56mm | .223 | 300 Blackout

Bolt rehab parts kit for CMMG Mk3/LR308.

Whether you’re building a new AR or needing replacement parts, the CMMG Gas Tube Kit for mid-length gas systems is made from high quality stainless steel and includes the installation roll pin.

Deploy your favorite stock (or brace) faster than ever. The Fastback Receiver Extension attaches to any firearm that accepts a Mil-Spec receiver extension (buffer tube). Once installed, this allows...

AR-15 carbine buffer spring. Meets or exceeds mil-spec

Whether you’re building a new AR or needing replacement parts, the CMMG Gas Tube Kit for rifle length gas systems is made from high quality stainless steel and includes the installation roll pin.

Whether you’re building a new AR or needing replacement parts, the CMMG Gas Tube Kit for carbine length gas systems is made from high quality stainless steel and includes the installation roll pin.

Ejection Port Cover Rod Spring C-Clip

Forever the AR15 has been a right-handed person’s tool. With Ambi controls evolving, it’s becoming more of a tool that everyone can use, even left-handed shooters! This Ambi Mag Catch works in...