16.1" Cold Hammer Forged Barrel, 1 in 7" twist, 5.56mm
–Made of Mil Spec M249 Machine Gun barrel steel, with heavy M249 Chrome Lining,
(appx. 2 times as thick as an M4 or M16)
–Extended Feed Ramps
–Mil Spec Phosphate finish
–MP HP tested with certification
–Mid-Length gas system, no M203 notch
–Shot peened and MP tested bolt
–Properly staked carrier key
–Auto carrier
–Mil-Spec receiver extension, staked
–H Buffer
–Vltor Carbine buttstock
–Tango Down pistol grip
–Forged Vltor MUR upper receiver featuring an anti-rotation interface with the handguard
–11" free floated handguard w/ 1913 rails
–Low-profile gas block pinned to barrel
–Flip-up front and rear sights
–Noveske QD End Plate
–One 30 rd mag included
All 5.56mm rifles and uppers are test fired with Black Hills Ammunition.