Barrel: The 11.5-inch barrel is chambered in 5.56 NATO with a 1:7 twist rate, optimized for stabilizing a wide range of projectile weights. A carbine-length gas system promotes reliable cycling in a compact configuration. The barrel features a phosphate finish for corrosion resistance and long-term durability in demanding conditions. Upper: The upper receiver is forged from 7075-T6 aluminum and machined to mil-spec dimensions for consistent fit and function. A hardcoat anodized finish enhances surface durability. This Classic configuration includes A2-style polymer handguards with aluminum heat shields for improved thermal management, along with a fixed front sight base that also serves as the gas block. The assembly is equipped with a detachable carry handle featuring an integrated rear sight, maintaining a traditional sighting setup while allowing removal for optic mounting if desired. M4 feed ramps support dependable feeding performance. Bolt: This upper includes a full-auto profile bolt carrier group and charging handle. The bolt is manufactured from Carpenter 158 steel and undergoes high pressure testing and magnetic particle inspection to ensure strength and reliability.