Brownells, supplier of gunsmithing tools and firearms accessories, has just released its own, 16-inch M-4-style barrel for AR-15 rifles.
The new carbine barrel is made of 4140 chrome-moly steel, hardened to RC 26-33, and stress relieved.
Twist rate is one turn in 7 inches, and the muzzle end is threaded 1/2 inch 28 tpi for a flash hider.
M4 feedramps provide reliable feeding into the 5.56 NATO chamber.
The finish is dark gray Parkerizing.
It comes without a front sight housing/gas block or a flash hider/muzzle brake.
MSRP is $220.
For more information, contact Brownells; 800-741-0015.