16" Cold Hammer Forged 5.56mm Barrel
--M249 Machine Gun barrel steel and Chrome Lining (appx. 2 times as thick as an M4 or M16)
--Extended Feed Ramps
--Same weight as M4 barrel with improved contour for maximum rigidity and no M203 notch
--MP HP tested
--1 in 7" twist
--Mil Spec Phosphate finish
--Mid length gas system
--1/2x28 threads
--Switchblock,(US pat #7,856,917), pinned to barrel
--Forged Vltor MUR upper receiver featuring an anti-rotation interface with the handguard
--11.5" free floated handguard w/ 1913 rails
--Shot peened and MP tested bolt
--Auto carrier with properly staked carrier key
--Gun Fighter Charging Handle
--Blackout 51T Flash Suppressor
--Back up iron sights not included
Upper Weight: 5 lbs

Rifle includes above plus:
--Forged Gen II Lower
--Mil-Spec receiver extension
--Noveske QD End Plate, staked
--H Buffer
--Vltor iMod Carbine stock
--Flip-up front and rear sights
--MOE pistol grip
--One 30 rd mag included
Rifle Weight: 7 1/4 lbs

All 5.56mm rifles and uppers are test fired with Black Hills Ammunition.