Summary and Key Points: The M16 rifle, designed by Eugene Stoner and adopted by the U.S. military in the 1960s, has remained a staple due to its reliability, modularity, and effectiveness.
The manufacturer said that tests have confirmed the smooth bore AR-15 has an accuracy pretty close to that of the rifled replica ... the rifle was authorized for military use as M16 and has ...
Summary and Key Points: The U.S. Army's Advanced Combat Rifle (ACR) program aimed to replace the M16 rifle with a more advanced design but ultimately failed to find a suitable successor.