Green Mountain 5.56 AR-15 Barrel 16" M4 Phosphate

Upgrade your AR-15 build with the reliable Green Mountain 5.56 AR-15 Barrel 16" M4 Phosphate. Engineered for precision and durability, this carbine-length barrel delivers consistent performance for tactical, recreational, and defensive applications. Crafted to meet the demands of serious shooters, it combines robust construction with practical features that enhance accuracy and longevity in the field.Key Features and Benefits Phosphate finish with chrome-lined bore and chamber provides exceptional corrosion resistance and easy maintenance, ensuring reliable function even in harsh environments while extending barrel life. M4 profile design offers an optimal balance of weight and strength, reducing overall rifle heft without sacrificing rigidity for improved handling during extended use. Carbine-length gas system paired with a 0.75" gas block journal promotes smooth, reliable cycling across a wide range of ammunition loads, minimizing malfunctions in high-stress scenarios. 1:12 twist rate stabilizes a variety of bullet weights effectively, making it versatile for both standard 55-grain and heavier projectiles. 1/2x28 muzzle thread pattern allows easy installation of suppressors, flash hiders, or other accessories to customize your setup.Technical Specifications Barrel Length: 16 inches Cartridge Compatibility: 5.56 NATO Platform: AR-15 Barrel Profile: M4 Gas System: Carbine Gas Block Journal: 0.75 inches Twist Rate: 1:12 Muzzle Thread: 1/2x28 Finish: Phosphate exterior with chrome-lined bore and chamber Weight: 30.8 ouncesWhy Choose This Green Mountain Barrel?Green Mountain barrels are renowned for their quality manufacturing and attention to detail. This 16" model addresses common pain points like excessive weight, poor corrosion protection, and inconsistent feeding by delivering a well-balanced, chrome-lined option that supports reliable operation and accuracy. Whether you're assembling a home-defense rifle or a range-ready build, this barrel provides the foundation for dependable performance without unnecessary bulk.Invest in a barrel that prioritizes functionality and endurance for your AR-15 platform.