Caliber: 5.56mm NATO. Capacity: 30 rounds. Barrels: 14.5”, 16”, 18 in. 1:7 Twist, M4 feed ramp barrel extension. USGI chrome-lined bore and chamber. Mil-spec 11595E barrel steel, manganese phosphate finish. Stock: BCM. Sights: M4 feed ramp flat-top with laser T-markings. Mid-length gas systems. Add 8% for 14” variant. SEE POLITICAL PANIC PRICING.