Here’s What You Need to Remember: The wars in Iraq and Afghanistan accelerated adoption of the M4, to the point where it is carried by the majority of the U.S. Army and Marine Corps. The weapon weighs ...

Here’s What You Need to Know: The M4 still has its critics, including a retired major general, who have derided this descendant of the M16 as inadequate for modern ground forces. The U.S. Army is an ...