Caliber: 5.56mm/223. Capacities: 10 or 30 rounds. Barrel: 16.25”. Weight: 7.25 lbs. Lengths: 27.5-37.5” (extended stock). Stock: Telescoping, side-folding polymer. Adjustable cheekpiece, A2-style pistol grip. Sights: Adjustable folding front and rear. Features: Hard-anodized aluminum receiver with four accessory rails. Ambidextrous safety and mag release. NRCH (non-reciprocating charging handle) added 2021. SEE POLITICAL PANIC PRICING.