If you want to build on the very best, look no further. Show off your Rainier Arms pride with this matching forged upper & lower combo. Because you are buying them together, you will be guaranteed a nice fit as well as saving a few dollars. The Uppers all come with M4 feedramps, T-markings and an outlined logo.
FFL Required Before Shipping.
Please have your dealer email their license to FFL@rainierarms.com or they can also fax it in. Please give us a few days to process the information.