FREE SHIPPING in the Continental USA on this item!The only thing the Rock River Arms LAR-8 X-1 rifle needs, out of the box, is your preferred optics or sights, and this long range tactical semi auto is ready to go to work. The X-Series LAR-8 Rifle is built for precision with an 18" stainless steel fluted barrel that has a 1:10 twist and a RAA Hunter Muzzle Brake. It features forged aluminum receivers with a flat top optics ready upper, a 17" RRA M-LOK free float hand guard, low profile gas block, and MOA accuracy. It has Rock River's excellent two stage trigger and an oversized winter trigger guard that's perfect for gloved hands. Chambered in .308 Winchester, it accepts 7.62x51mm NATO to give you plenty of firepower for hunting, competition or home defense. The LAR-8 X-Series X-1 Rifle from Rock River Arms is an attractive and exceedingly effective AR-308 style rifle that offers fantastic performance in any shooting environment.