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 best M4A1 loadout has become a viable option in Warzone, offering everything you need in the battle royale game: accuracy, range, a fast rate of fire, and the potential to strap on a 60-round ...

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 ...

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 ...