The M4A1+ would also include an enhanced, single-stage trigger module "free of creep with consistent trigger pull weight within the range of 4.0 to 5.0 pounds," according to the document.

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 ...

EXCLUSIVE: 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 ...

Photo Credit: U.S. Army photo Soldiers at Fort Riley, Kan., take a look at their new M4-A1 carbines. Some soldiers know the M4A1 carbine rifle — which the M4A1+ program aims to augment ...

M4A1 carbine. Photo: U.S. Army . Enter the M4A1+ program. In an eight-point announcement, the U.S. Army described how they want to take the current M4A1 and make it better: ...

So is the U.S. Army. More of the popular weapons will be making their way into the hands of troops. The Army has ordered $212 million worth of M4 and M4A1 carbines from Colt Defense and FN America.

The US Army has now produced at least 117,000 battle-tested, upgraded M4A1 rifles engineered to more quickly identify, attack and destroy enemy targets with full auto-capability, consistent ...

The Army is considering upgrades to the M4A1 Carbine that could improve its accuracy and performance and alter its appearance. ,The U.S. Army is considering several upgrades to the M4A1 Carbine ...

M4A1 carbine. Photo: U.S. Army. Enter the M4A1+ program. In an eight-point announcement, the U.S. Army described how they want to take the current M4A1 and make it better: ...