The Army has tested 50,000 M4/M16 weapons in the past three months and has another 900,000 to go. An estimated 6 percent, or 3,000 have so far displayed a major malfunction requiring repair. (Army) R.

October 24, 2018: Earlier in 2018 the U.S. military confirmed a rare problem with its M4 and M16 assault rifles that results in the weapon firing without pulling the trigger. The flaw is encountered ...

The Army is issuing Soldiers a new small arms 5.56 ammunition magazine designed expressly for the M4/M4A1 carbine and M16 family of weapons. The 2nd Battalion, 75th Ranger Regiment from Joint Base ...

The U.S. Army is considering several upgrades to the M4A1 Carbine that could improve its accuracy and performance and change the weapon's appearance. Army weapons and contracting officials recently ...

The Heckler and Koch 416 assault rifle bears a strong resemblance to the M4 carbine, at least on the outside. Inside it’s a different ball game, as the weapon uses an operating system designed to ...

Here’s What You Need To Remember: The M16 series of weapons has been in continuous use by the U.S. Military for more than fifty years. A mature, reliable weapon design, there is still room for growth ...

Both the Army and Marine Corps are checking their M4 carbines and M16 rifles for a malfunction with the selector switch that causes the weapons to fire without soldiers or Marines pulling the trigger.

July 16, 2015: The U.S. Army has agreed to create another batch of upgrades for its M4A1 assault rifle, basically creating the M4A2 (or M4A1+, take your pick). The list of M4A2 improvement is still ...