Skip to main content.
0 Item In Your Cart
Qty. Item Price
Cart Total $0.00

Continue Shopping

PRODUCT #54F2412 UPPER GROUP KIT, BANSHEE™ 100, MK57, 5.7 X 28MM, 1 10RD MAG

$774.95

$774.95

THIS PRODUCT IS BACKED BY THE CMMG LIFETIME QUALITY GUARANTEE.

UPPER GROUP KIT, BANSHEE™ 100, MK57, 5.7 X 28MM, 1 10RD MAG

The BANSHEE 100 5.7x28mm upper receiver has an 8-inch barrel and features CMMG’s patented Radial Delayed Blowback operating system. The receiver and handguard are hard coat anodized, and come with a pre-installed CMMG mil-spec charging handle, A2 Compensator, and a CMMG RML7 M-LOK Handguard. This package ships with one 10-round 5.7 AR Conversion magazine.

All of our Upper Groups come complete with BCG.
All Products come with CMMG’s Lifetime Quality Guarantee. ALL NFA RULES APPLY.

Technical Specifications

Platform Mk57
Caliber 5.7x28mm, 5.7x28mm (Conversion)
Operating System Radial Delayed Blowback
Barrel Length 8
Barrel Twist 1:9
Barrel Contour MT
Barrel Material 416SS, SBN
Barrel Twist 1:9
Muzzle Device CMMG A2 Compensator
Muzzle Thread 1/2 X 28
Gas Port Location N/A
Gas Block N/A
Upper Receiver Forged 7075-T6 AL M4 type upper
Hand Guard CMMG RML7 M-LOK
Finish Hard Coat Anodized Receivers and Hand Guard (Can be upgraded to Cerakote)
Charging Handle CMMG Mil-Spec
Magazine CMMG 10rd - Same Size As 25rd CMMG Mag

Reviews