CMC TRIGGERS AR15 5.56 NATO 16.25in Mid Length Gas Barrel (CMC-BBL-556-003)

Crafted from high-grade 4150 Chrome Moly Vanadium steel, the CMC Triggers 16.25" SOCOM Profile Barrel is designed to be the cornerstone of any modern rifle build. Engineered with input from military, law enforcement, and civilian shooters, this barrel delivers exceptional performance through meticulous manufacturing. Each barrel is precision instrument-inspected for absolute straightness and air-gauged to ensure maximum uniformity, with land-and-groove tolerance held to an incredible .0001" from breech to muzzle. When paired with factory-new SAAMI-approved match-grade ammunition, this barrel is guaranteed to deliver 1 MOA accuracy (or better) at 100 yards.

The mid-length gas system provides smoother cycling and reduced felt recoil compared to carbine-length systems, enhancing both reliability and shooter comfort. The 1:7" twist rate stabilizes a wide range of bullet weights, from lightweight varmint rounds to heavy 77-grain match projectiles. Additional features include M4 feed ramps for flawless feeding, an 11-degree match crown for maximum accuracy, and a 1/2"-28 threaded muzzle compatible with standard AR-15 muzzle devices. The SOCOM profile delivers an ideal balance - neither too light nor too heavy - while the pre-drilled bottom dimple simplifies gas block installation and perfect alignment.

The barrel is finished with H&M Blacknitride+, an advanced ferritic nitrocarburizing coating that significantly enhances surface properties while maintaining dimensional stability. This treatment provides increased wear resistance, improved fatigue strength, better corrosion resistance, enhanced lubricity, and superior cosmetic appeal - ensuring your barrel performs reliably in demanding conditions. With a gas block diameter of .750", a 1.13" journal length, and a weight of just 2.0 lbs, this 16.25" barrel is the perfect choice for builders seeking accuracy, durability, and modern performance in their AR-15 rifle.