Welcome to the NEW Cheaper Than Dirt online store! Same great prices and availability, now optimized for your mobile phone!

AR15 Parts, Accessories & Rifles

Whether you are looking to build or buy the perfect AR-15, Cheaper Than Dirt! has everything you need and more! Browse thousands of the top rated AR-15 magazines, upper receivers, lower receivers, AR-15 parts, sights and other quality accessories from the top brands including Bravo Company, Tapco, CMMG, Midwest Industries, Magpul and more. We even have the ammo you need to feed your rifle, the best red dot sights and sturdy slings to carry your rifle in the field.

AR15 Parts & Accessories

AR15 Magazines

AR15 Ammunition

AR15 Upper Receivers

AR15 Lower Receivers

AR15 Build Kits & Tools