CMMG MK57 UPPER 5.7 X 28 16.1″ BARREL

MK57 Upper Features

CMMG’s RESOLUTE lineup is engineered with purpose for those who refuse to compromise on quality. This RESOLUTE upper comes with a 16-inch barrel and is designed for balance, accuracy and maneuverability.

MK57 Upper Specifications

• Model:Mk57
• Type:Complete Upper
• Caliber:5.7X28MM
• Barrel Length:16.1″
• Color:Black
• Fit:AR Rifles
• 16″ Barrel