The rifles they currently use, the M16A2, are reportedly heavy and ineffective ... with red dot sights and flashlights. The decision to upgrade the rifles rather than purchase new ones allegedly ...

“The existing M16A2 rifles are heavy and with a barrel ... Authorities said the rifles have been upgraded with adjustable buttstocks, and the upper receivers have been replaced with more compact ...

A shortened variant of the M16A2 rifle, the M4 carbine provides ... phase PIP to keep the M4 carbine inventory strong. Phase I upgrades the Army’s M4s to the Special Forces’ M4A1, while ...