Pipe Hitter 8.6 BLK SBR Barrel: The 12-inch barrel features a Big Gunner profile with a 1:3 twist rate for insane energy on target. Equipped with a pistol-length direct impingement gas system and a SA adjustable gas block, it delivers smooth cycling and consistent performance. Crafted from CrMov with a QPQ finish, it's durable without needing chrome lining. Rigorously tested with HP and MPI testing, and completed with a flash hider for recoil and muzzle rise mitigation. Handguard: Our 11-inch handguard is crafted from lightweight yet robust 6061 T6 Aluminum. Mlok slots at 3, 6, and 9 o'clock positions, along with 45-degree cuts, offer versatile mounting options. It features a full-length Picatinny rail on top for optics and accessories, plus multiple QD points for sling attachment. With a retention system and anti-rotational tabs, it ensures stability during intense use. BCG (Bolt Carrier Group): The precision-ground BCG is finished in durable black nitride for reliability. Made with a 9310 steel bolt, properly heat-treated, MPI, and shot-peened, it guarantees flawless operation. Made in the USA and fully auto-capable, it's a symbol of quality craftsmanship. Upper Receiver: The billeted upper, made from 7075-T6 aluminum, ensures strength and precision. Paired with a thermal-fit barrel, it offers seamless integration and accuracy. With a Radian ambidextrous charging handle and E series Cerakote finish, it's both functional and stylish. Lower Receiver: Crafted from 7075 T6 aluminum, the lower features a solid-piece trigger guard, a flared magwell, and an enhanced buffer tube for improved ergonomics. With a smooth buffer system, Radian ambidextrous safety selector, right-side bolt release, and Geissele 2-stage SSA trigger, it ensures control and reliability. Finish: Finished with E series Cerakote on top of type 3 hardcoat anodized, this assembly is not only high-performing but also visually stunning. Whether for duty, competition, or recreation, the Pipe Hitter sets the standard for quality, performance, and reliability.