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AR-15 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 lower 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.

AR-15 Parts & Accessories

AR-15 Magazines

AR-15 Ammunition

AR-15 Scopes & Sights

AR-15 Upper Receivers

AR-15 Lower Receivers

AR-15 Handguards & Rail Systems

AR-15 Build Kits & Tools