LITTLE KNOWN FACTS ABOUT COLT M16A1 RETRO REISSUE.

This upper receiver traces its origins back again some six yrs to guns Colt made with the SCAR (Particular Operations Forces Fight Assault Rifle) application of the U.S. Special Functions Command (SOCOM). It can be intended to obviate the need for a separate several-rail handguard for mounting equipment, affording excellent alignment of equipment m