Perfect for a starter build - OpticsPlanet Exclusive OpticsPlanet 12.6 inch Quad Rail, Free Floating Handguard - Rifle Length

This rail does have an aluminum barrel nut and the front cap is smaller than most heavy barrels but come on folks. If you have ever swapped out a barrel on an AR before it is not a big deal. I built an upper from spare parts for my nephew and it is a hammer. Put some anti seize on the barrel nut and use the washers to get the Rail clocked to the receiver and throw away the front cap. The Daniel Defense sling swivel I put on it cost more than the rail. Cover up the cheese grater with some plastic covers and it is a great piece of kit.