M16A4

M16A4 - Based on the original AR designed by Eugene Stoner in 1958, the decades have been good to the classic design and have seen it pass through a number of iterations. The current standard assault rifle of the United States forces is the M16A4 manufactured by FN Herstal, and is commonly used in a semi-automatic fire mode and often equipped with a Trijicon ACOG optic as well as KAC M5 handguard for equipping vertical grips. They come equipped with 30 round magazines chambered in 5.56mmx45 NATO ammunition.