<p><strong>Barrel:</strong> Chambered in 5.56 NATO, this 8.5 inch barrel features a 1 in 7 twist rate, M4 barrel extension, and a pistol-length gas system for reliable operation in a compact configuration. A Nitride finish enhances durability and corrosion resistance. The barrel is paired with a PSA 7 inch Lightweight Hex M-LOK free float rail, a .750 low-profile gas block, and an A2 flash hider.</p> <p><strong>Upper:</strong> Forged 7075-T6 A3 AR upper receiver machined to mil-spec standards and finished with a hard coat anodized treatment for durability. The upper includes a forward assist and dust cover and is manufactured in the USA by a mil-spec producer.</p> <p><strong>Bolt:</strong> Full-auto profile bolt carrier group with a Carpenter No. 158 steel bolt that is shot-peened and built to mil-spec standards. The gas key is hardened to USGI specifications, secured with Grade 8 fasteners, and properly staked for long-term reliability.</p> <p><strong>Lower:</strong> Forged 7075-T6 aluminum lower receiver marked MULTI for caliber compatibility and finished with a hard coat anodized coating. The lower is equipped with a PSA Enhanced Polished Trigger single-stage fire control group, a PSA Classic grip, an SBA5 adjustable pistol stabilizing brace, and a 6-position 7075 aluminum buffer tube.</p>