20″ 5.56 Lightweight Barrel 1×7 Moly .625 w/ Tower Profile – Pencil; Lightweight Chamber – 5.56 Nato Barrel Thread – ½ x 28 Barrel Twist – 1×7 Barrel Steel – 4150 Chrome Moly Vanadium Barrel Finish – Mag Phosphated Barrel Lining – No Fluted – No Gas System – Rifle Length Gas System Gas Block Platform – .625 Gas Block platform Sight Tower Type – NON F Marked is default tower Triangle HG Cap Installed Feed Ramp – M4 Feed Ramps Weight –2.4 lbs NOTE: Sight parts and swivel included.
