The Ballistic Advantage Premium Black Series 8.6 Blackout 16" barrel is machined from hardened 416R stainless steel and finished with a QPQ corrosion-resistant coating, delivering exceptional durability and repeatable performance in demanding hunting and precision shooting scenarios. This 16-inch barrel features a carbine length gas system and a 5/8x24 threaded muzzle, empowering reliable cycling and straightforward attachment of compatible suppressors and muzzle devices. Each barrel is proof-fired and MPI-tested to ensure top-tier quality and accuracy, making it a trusted choice for builders seeking a consistent, high-performance platform. The 8.6mm Blackout caliber pairs with the robust 16-inch profile to optimize ballistics, reduce recoil, and extend effective range for mid-size game and target work, while the hardened 416R stainless construction maximizes longevity under rugged field conditions. Whether upgrading an AR-pattern rifle or assembling a dedicated precision setup, this barrel delivers the combination of precise machining, corrosion resistance, and proven reliability that shooters rely on for everyday use and extended field sessions.