Developed exclusively for U.S. special operations forces and the demanding environments they operate in, the Mk16 Special Operations Forces Combat Assault Rifle ... with an M16 compatible pistol ...

TASS/. Russia’s manufacturer of ORSIS rifles (Promtechnologia) has come up with a smooth bore counterpart of the US assault rifle AR-15 (its military version is known as M16), the company said ...

However, try as they might, the M16 always stuck around. During the Cold War, the world moved away from the heavy battle rifle calibers that were used in World War II to the assault rifle concept.