Chamberings: .308 Win. (18” barrel, 1:10” twist) and 6.5 CM (20” barrel 1:8” twist) is designed for larger calibers and longer shots. Features: Aerospace-grade carbon-fiber free-floating handguard, billet aluminum receiver set, M-LOK or KeyMod fitments. Carbon-fiber barrel only. Weight: 7.2 lbs. SEE POLITICAL PANIC PRICING.