Get everything AR-15 at CBC. CBC manufactures and retails a wide selection of AR15 Parts, Upper Assemblies, Lowers, as well as Complete AR-15 Rifles & Pistols. No matter the part, CBC has what you’re looking for. Both our AR-15 upper assemblies and rifles are custom built to order enabling us to provide you with the best prices you will find anywhere. Buy with confidence as the quality of our AR-15 parts are backed by a solid Lifetime Warranty – if any CBC product becomes defective, we will repair or replace it at no charge. Get your AR-15 parts, components, and weapon systems at CBC and save with free shipping on all eligible products!