The BANSHEE 300 5.7x28mm upper receiver has a 5-inch barrel and features CMMG’s patented Radial Delayed Blowback operating system. The receiver and hand guard are hard coat anodized and come with a pre-installed CMMG Ambi Charging Handle, and a CMMG RML4 M-LOK Hand Guard.
TECH SPECS: CALIBER: 5.7x28mm BARREL: 5” 1:9 Twist, Medium Taper 416SS MUZZLE: Thread Protector, threaded 1/2-28 GAS PORT LOCATION: N/A RECEIVER: Forged 7075-T6 AL M4 type upper HAND GUARD: CMMG RML4 M-Lok hand guard FINISH: Hard Coat Anodized Receivers and Hand Guard CHARGING HANDLE: CMMG Oversized Ambi
All Products come with CMMG’s Lifetime Quality Guarantee
ALL NFA RULES APPLY
Cmmg Mk57 Banshee 300, Complete Upper, 5.7x28mm, 5" Barrel, Black Finish, Fits Ar Rifles 57b18af
Model: Mk57 Product Type: Upper Finish/Color: Black Fit: AR Rifles Caliber: 5.7X28MM