AR-15 Upper Receivers & Assemblies

Get started building or upgrading your dream AR-15 today with an upper receiver assembly. We carry complete assemblies from some of the top manufacturers that use the highest-quality parts. Whether you’re looking for a simple setup or prefer a tactical, free-float look, we’ve got you covered with everything you need. Simply pair up one of these uppers with your lower receiver, grab some magazines and get ready for a great day at the range. Selecting a new upper is a quick and easy way to give that rifle a new look or purpose in seconds.