Caliber: 5.56 x 45mm NATO
Barrel Length: 16"
Twist Rate: 1-7"
Barrel Material: 11595E Certified Steel
Bore and Chamber: Chrome Lined
Barrel Profile: USGI Profile
Gas System: Mid Length
Approximate Weight: 6.1 lbs.
Approximate Length: 32.5" Collapsed - 35.5" Extended
Upper Receiver, Lower Receiver, and MCMR are Finished in Cerakote Dark Bronze