TAIPEI (Taiwan News) — A Marine Corps battalion responsible for land-based security has begun using US-made M4A1 rifles, ...

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 recently ...

The M4A1 has a shorter barrel than the T65K2 rifles, giving it better handling and maneuverability, Su said, adding that it also features a Picatinny rail system that allows for accessory attachments, ...

Despite the fact that the particular M4A1+ effort did not move forward, Army officials explain that market surveys regarding improvements to the weapon will continue; in addition, Army developers ...