CMMG RESOLUTE UPPER GROUP 5.7X28 16.1 BLACK

Personal defense calibers like 5.7x28mm have become a big thing in the last few years and if you�re looking for PDW ballistics and the classic style and balance of a carbine then you�re in luck. Combine this RESOLUTE Upper Group with either our Mk57 Lower or a standard AR15 lower group and CMMG�s 5.7 AR Conversion Magazines and you�ll be ready to hit the range! Available in six different Cerakote finishes all CMMG Upper Groups come complete with bolt carrier group and ZEROED accessories including: – ZEROED AR15 Polymer Dust Cover – ZEROED AR15 Ambi Charging Handle – ZEROED Muzzle Brake 5.56mm – Platform: Mk4 Mk57 – Caliber: 5.7x28mm – Operating System: Radial Delayed Blowback – Barrel Length: 16.1 – Barrel Twist: 1:9 – Barrel Contour: MT – Barrel Material: 4140CM SBN – Muzzle Device: CMMG ZEROED Muzzle Brake – Muzzle Thread: 1/2 x 28 – Upper Receiver: Billet 6061 T6 Aluminum – Hand Guard: CMMG EML15 M-LOK – Finish: Cerakote Standard – Charging Handle: CMMG ZEROED Ambi – Weight: 4.0 lbs – Length: 25.3