The Lead & Steel 11.5 Match-Grade AR-15 barrel is engineered for shooters seeking precision, reliability, and durability in a compact carbine-length platform. Machined from 4150 Chrome Moly Vanadium steel and finished with QPQ black nitride, this barrel offers exceptional strength, corrosion resistance, and long service life. Chambered in 5.56 NATO with a 1:7 twist rate, it features a government profile and a dimpled barrel to ensure proper gas block alignment. Designed for a carbine-length gas system with a 0.750 gas block and M4 feed ramps, this 11.5 barrel weighs 20.5 oz and is sub-MOA guaranteed when paired with MK262 ammunition. Threaded 1/2×28, it is ready for your preferred muzzle device or suppressor.