Receivers

With over a century of service across the world, .45 ACP has been the pistol caliber of choice for many shooters. For anyone looking to complete the ultimate pistol caliber carbine, the RESOLUTE Upper Group chambered in .45 ACP is here. Available in...

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.

Manufactured on the M&P15 modern sporting rifle platform. 14-1/2 in Chrome-lined CMV barrel with permanent Smith Vortex flash hider for 16 in overall length. Ensures a complete propellant burn and negligible flash, unlike the standard issue closed-end...

RADIAN BUILDER KIT

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.

Dark Storm Industries DS-9 Billet Stripped Upper Lower Receiver Set

Some may question .40 S&W but fans of the .40 know just how capable this cartridge is. Built on the MkGs platform, this 8'' BANSHEE upper group is just the thing for a .40 S&W personal defense weapon with excellent ballistic performance and well-balanced...

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...

Whether you're looking to build an AR pistol in 9mm or .40 S&W, the BANSHEE MkGs pistol lower group is the perfect place to start. Designed to accept Glock-pattern magazines this MkGs lower makes caliber swaps a snap. Simply match your MkGs lower with...

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...

Inspired by the success of the original MkG, the MkGs lower receiver is designed to accept either 9mm or .40 S&W Glock and SGM magazines. Features include an integrated trigger guard, last round bolt hold open, oversized magazine release, flared magwell,...

RADIAN BUILDER KIT

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...