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 like .223, 9MM, .308, 40 S&W, .458 SOCOM, 6.8 SPC, 7.62X39MM as well as piston driven systems. Rock River Arms also builds an exceptional line of .45 ACP 1911 steel and polymer models. They service commercial, law enforcement, government and military agencies in both semi and full auto configurations. (less)