Caliber: 5.56 NATO. Capacity: Magpul PMAG 5.56. Barrel: 14.7”, 16.1”; 1:7” RH twist, 1/2x28 muzzle threads. Cold hammer-forged, spiral fluted, NiCorr treated. Stock: LWRC adjustable compact stock. Sights: Low-profile flip-up Skirmish Sights. Weight: 7.0 lbs., 7.3 lbs. SEE POLITICAL PANIC PRICING.