AR-15 M4 Barrel, 16 Inch, 1/9 RH Twist, 5.56mm, Nitrided, *NEW*

Barrel for AR-15 & M4 rifles, 16 inch length, 5.56X45 NATO, 1/9 RH twist, nitrided steel, *NEW*.

Sold individually.

Perfect for building the AR-15 you have always wanted!
These nitrided steel barrels are chambered in 5.56X45 NATO with a 1/9 right hand twist rate.
Barrels feature M4 style feed ramps and a 1/2x28 TPI threaded muzzle.
At 16 inches long (16.5 inch measured muzzle to back edge of the barrel extension) these barrels will accept any standard .750" gas block.
Gas port hole is drilled 0.068".

Uses a carbine length gas tube.