The AR-15 (also known as the AR15 or AR 15)is America's most popular rifle. The modular AR-15 platform makes it easy to build, customize and configure your gun exactly the way you want it. The AR-15 has proven itself to be reliable, rugged, and accurate, and has been in use by the U.S. military and law enforcement for over 40 years now in various configurations like the M-16 or the M-4. It is the optimal choice for sport, home defense, competitive shooting, hunting, and more. Impact Guns has a huge selection of the best AR-15 rifles, AR 15 pistols, lowers, uppers, magazines, parts, accessories, AR-15 scopes, suppressors, and more. Just a few of the manufacturers of AR15's that we carry are: Bushmaster, Colt, DPMS, Rock River Arms (RRA), Armalite, Ruger, Smith & Wesson, and more!