Radical Firearms 16″ 5.56 M-Lok Upper is an AR-style upper receiver or upper part from the Polymer80 range (Complete AR 15 Upper Receivers). Our price is $462.33. Match the upper to your lower and caliber.

We list this item with its manufacturer part number on request. Order stays on our site; we confirm availability and ship tracked from the United States. If you are not sure it fits your build, ask before you order.