is an automatic rifle
designed by Eugene Stoner of the Armalite
corporation. It has been manufactured by various companies in both automatic and semiautomatic versions, in many configurations. Within the US
military, the rifle is known by the military designation M16
. Developed by Eugene Stoner after the AR-10 rifle, it preserved most of its predecessors admirable features, and was adopted in limited numbers by the US Air Force.
See M16 for more details.