The Rosco Manufacturing ROSCO BL BBL 16" 5.56 1/7 AR-15 Bloodline Barrels deliver precision performance for AR-15 enthusiasts, combining a nitride finish with a compact M4 contour and a 16-inch overall length to optimize balance, weight, and velocity for dependable field use. Built for 5.56x45mm NATO chambers with a 1-7 twist and a carbine gas system, these barrels are engineered to stabilize a wide range of projectiles and preserve accuracy across rapid fire courses and extended shoots. The 1/2-28 muzzle thread accommodates a variety of muzzle devices, enabling easy customization for noise reduction, muzzle control, or personal preference, while the lightweight 2 lb profile supports quick handling and improved maneuverability. Designed for AR-15 platforms, these Bloodline Barrels pair robust durability with consistent performance, making them ideal for range days, competition, or field work where reliable shot placement matters. Whether upgrading an existing rifle or building a new one, the Rosco Manufacturing 16" 5.56 NATO barrel with nitride finish delivers the balance of rugged construction and precise rifling necessary for steady, repeatable results shot after shot.