The Mk57 Banshee 300 Lower Group is the shortest available rifle configuration we offer. Features a Magpul MOE pistol grip, the CMMG Compact Ripstock with 5-Position Enhanced Receiver Extension, CMMG ambi safety selector, and a CMMG single stage mil-spec trigger.
The Mk57 lower accepts FN FiveSeven-style 5.7×28 magazines and features a unique magazine release, and even retains last round bolt hold open functionality.
All Products come with CMMG’s Lifetime Quality Guarantee.
**All NFA rules apply** See linked CMMG Resource article for more information.
TECHNICAL SPECIFICATIONS
PLATFORM | MK57 |
CALIBER | 5.7X28MM, 5.7X28MM (FN) |
LOWER RECEIVER | FORGED 7075 T6 ALUMINUM |
FINISH | HARD COAT ANODIZED RECEIVER (CAN BE UPGRADED TO CERAKOTE) |
PISTOL GRIP | MAGPUL MOE |
RECEIVER EXTENSION | 5 POSITION ENHANCED RECEIVER EXTENSION AND AMBI SLING PLATE |
STOCK / BRACE | CMMG MICRO/CQB RIPSTOCK |
TRIGGER TYPE | MIL-SPEC SINGLE STAGE |
TRIGGER GUARD | INTEGRATED |
SAFETY SELECTOR | AMBI |
WEIGHT | 2.4 |
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