A competing rifle outperformed the Army’s favored M4A1 carbine in key firings during a competition last year before the service abruptly called off the tests and stuck with its gun, according to a new ...

The M4A1+ effort was designed to look for add-on components that will “seamlessly integrate with the current M4A1 Carbine … without negatively impacting or affecting the performance or operation of ...

Before its conversion into the M4A1, the M4 – while a battle tested weapon and known for many success – had become controversial due to combat Soldier complaints, such as reports of the weapon ...

While the Army continues to upgrade existing M4s to the deadlier, more reliable M4A1, Army leaders have mapped out a whole new list of additional improvements to the legacy rifle. The Army has ...