CMMG LOWER GROUP, RESOLUTE, Mk57

LOWER GROUP, RESOLUTE, Mk57

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®* pattern magazines. Available in seven different Cerakote finishes, RESOLUTE MkGs lowers come with a suite of meticulously engineered CMMG parts and accessories like:

CMMG RipStock

ZEROED Pistol Grip

ZEROED 60°/90° Ambi Safety

ZEROED AR15 Bolt Catch

Lifetime Quality Guarantee

We aim to please, that’s why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects. Learn More.

**Mk57 Lowers are designed for use with CMMG 5.7x28mm Radial Delayed Blowback uppers only**