Our 4150 chrome vanadium steel barrels feature 5R rifling and nitride heat treating for increased surface hardness and corrosion resistance. You can expect extractor life to drastically increase due to Patented E² extraction technology.
POF-USA's AR Barrels feature nitride heat treating, 5 groove right hand twist rifling, and M4 Feed ramps. These barrels come in a variety of calibers and lengths.
