Ballistic Advantage Modern M4 Barrel

Features

1. 16" M4 Profile — Carbine-length 16-inch barrel cut to the classic M4 contour for a balanced, familiar handling profile on any AR-15 build.
2. 4150 Chrome Moly Vanadium Steel — Machined from 4150 CMV steel for superior heat tolerance and barrel life over standard 4140 alternatives.
3. QPQ Nitride Finish — Salt-bath nitride treatment inside and out delivers excellent corrosion resistance and a hard, slick wear surface.
4. 5.56 NATO Chamber — Chambered in 5.56x45mm NATO and safely accepts .223 Remington for maximum ammunition flexibility.
5. 1:7 Twist Rate — Stabilizes heavier 62gr to 77gr projectiles favored by precision and duty shooters.
6. Carbine-Length Gas System — Proven carbine-length gas port placement for reliable cycling with standard M4-pattern uppers and buffer setups.
7. M4 Feed Ramps — QPQ-coated M4 feed ramp extension promotes smooth, reliable feeding under hard use.
8. .750" Gas Block Journal — Industry-standard 0.750-inch gas block seat fits the widest range of low-profile and standard gas blocks.
9. 1/2x28 Threaded Muzzle — Standard 1/2-28 muzzle threading accepts flash hiders, compensators, and direct-thread suppressors.
10. HP/MPI Tested — Each barrel is high-pressure and magnetic-particle inspected to confirm structural integrity before it ships.