LUTH-AR LLC M16A1 5.56 NATO STRIPPED UPPER RECEIVER Introducing the NEW Luth-AR M16 A1 Stripped Upper Receiver! The M16A1, adopted in the late 1960s, was designed to be a lighter and more reliable weapon than the M14 it replaced. Its development and deployment in the Vietnam War, and the subsequent modifications to address early issues, solidified its reputation and made it a standard issue for U.S. troops. It has since transitioned to civilian use, favored by enthusiasts, collectors, and competitive shooters. Beyond its historical significance, the M16A1 upper receiver continues to be relevant today. It is because of this that Luth-AR has decided to add it t Mfg: Luth-Ar Llc