Caliber: 9mm. Barrel: 16" straight profile, 4150 CMV steel. A2 birdcage, 1:10" twist. Enhanced feed ramp, blowback operated. 15" 6061 T6 aluminum handguard. Offset M-LOK slots at 3, 6, and 9 o’clock. Full-length Picatinny top rail. Front and rear anti-rotational QD points on both sides.