CBC AR-10 complete uppers offer high-grain capacity and power in a versatile AR platform. Experience superior quality and exceptional performance from all of our CBC complete AR-10 upper assemblies. Better yet, all CBC AR-10 complete uppers are custom built-to-order enabling us to provide you with the best prices you will find anywhere. The quality of our AR-10 complete uppers are backed by our Lifetime Warranty – if any CBC upper assembly becomes defective, we will repair or replace it at no charge. Get your complete AR-10 upper at CBC today and save with free shipping!