Industry leader known for producing a full line of high-quality AR-15 style standard and match-grade, fully customizable rifles, parts and accessories in calibers such as .223, 9MM, .308, 40 S&W, .458 SOCOM, 6.8 SPC and 7.62X39MM, as well as piston-driven systems. Rock River Arms also builds an exceptional line of .45 ACP 1911 steel and polymer models. We service commercial, law enforcement, government and military agencies in both semi- and full auto configurations. (less)