Caliber: 5.56 NATO (1:8). Introduced 2025. 16” barrel, 4150 CMV steel. ½x28 threaded muzzle, A2 birdcage muzzle device. 15” M-LOK handguard, carbine gas system. M4 Stock with QD fittings, A2 Grip. Forged 7075 T6 lower and upper receivers. Mil-spec bolt release, magazine release, charging handle. Carbine buffer, 90-degree manual safety, 30-round magazine. Weight Unloaded: 6.25 lbs. Cerakote finishes added 2026 ($200-$325 extra) and includes B5 Systems Bravo stock, B5 Systems P-Grip 23, UTG Super Slim front flip-up and rear flip-up sights. Values are for the HP-15 black model; add 57% for the Gold Cerakote variant.