Best M4A1 class set up in Warzone. Here's our pick of the best Perks and equipment items to create the best M4A1 class in Call of Duty: Warzone.

The system must then install on/interface with stock M4A1 Carbines." The Army decided to replace the standard M4 with the M4A1 in 2013 after the service abandoned a five-year effort to replace the ...

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 ...

The M4 and M4A1 are designed to be held with a bent front elbow. But many soldiers utilize a technique in which they extend their arm and lock their elbow for better stability.

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 ...

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 M4A1 carbine is currently issued to U.S. Army combat troops worldwide. A descendant of the original M16 rifle, the M4A1 has a 14.5" barrel, is chambered for the 5.56-millimeter round, ...