16" 5.56 Heavy Contour 1:7 Carbine Barrel with FSB, Phosphate

16 5.56 Heavy Contour 1:7 Carbine Barrel w/ FSB - Phosphate The 16" 5.56 Heavy Contour Carbine Barrel with FSB - Phosphate is an exceptional choice for enthusiasts looking to build an A2 pattern rifle. This robust barrel, weighing 40.8 oz, features a manganese phosphate finish for enhanced durability and corrosion resistance. The heavy barrel profile combined with a carbine-length gas system ensures optimal performance and reliability under various shooting conditions. This barrel is perfect for precision and supports a 1-7 twist rate, ideal for stabilizing a wide range of bullet weights. It also includes a pre-installed front sight base (FSB) and a triangle end cap, adding convenience and value. With a gas block journal of 0.75 and a muzzle thread pattern of 1/2x28, this barrel is designed to fit seamlessly into any AR-15 platform, making it a superb, budget-friendly option for building a high-accuracy rifle.