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 ...

The M4/M4A1 5.56mm Carbine is a lightweight, gas operated, air cooled, magazine fed, selective rate, shoulder fired weapon with a collapsible stock. It is now the standard issue firearm for most ...

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 ...

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 ...

McLean, Va.-based firearm manufacturing company FN America has won a potential five-year, $119.2M contract to provide M4 and M4A1 carbines to the U.S. Army. Army Contracting Command received six ...