CBC AR Upper Assemblies offer superior quality, dependability, and performance that will satisfy the most demanding shooter. CBC manufactures a wide selection of AR upper assemblies in a variety of styles and lengths. Whatever you need, CBC has what you’re looking for. Better yet, all CBC uppers are custom built-to-order enabling us to provide you with the best prices you will find anywhere. The quality of our uppers are backed by our Lifetime Warranty – if any AR upper assembly becomes defective, we will repair or replace it at no charge. Get your AR upper at CBC today!