PSA 7.5" 300 Blackout Nitride 6" Lightweight M-Lok Classic HAR-15 Pistol, Black

<p><strong>Barrel:</strong> Chambered in 300 AAC Blackout, this 7.5 inch barrel features an M4 barrel extension and a pistol-length gas system optimized for compact performance. A Nitride finish enhances durability and corrosion resistance. The barrel is paired with a PSA 6 inch Lightweight 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 Classic grip, an H&R HAR-15 adjustable pistol stabilizing brace, and a 6-position 7075 aluminum buffer tube.</p>