This barrel is chambered in 5.56 NATO, made from 4140 steel , heat treated to RC 25-32, and chrome lined. Fluted models feature YHM’s diamond fluting to improve rigidity and aid in barrel cooling. This barrel feature M4 style feed ramps for reliable function. Threaded models feature 1/2"-28 threads for YHM muzzle brakes, flash hiders, and suppressors.  This barrel has a 1:9" twist.

Please Contact Your Local Class 3 Dealer To Purchase.