Caliber: 5.56 NATO. Barrel: 16.5”, 1:7” right twist, six lands and grooves. 6-pos. adjustable buttstock. Short-stroke gas-piston operated, rotating bolt. Adjustable gas regulator for suppressed or unsuppressed use. Ambidextrous controls. Length: 33.25”-36.5”. Height: 7.5”. Picatinny rail length: 20.3”. 3.07” wide. 7.67 lbs. One 10- or 30-round magazine. 4.5- to 5.6-pound two-stage trigger. SEE POLITICAL PANIC PRICING.