S.W.A.T. (1975)

The following weapons were used in the television series S.W.A.T.:

M16

The original M16, the first version, firing in a 20-round magazine, adopted in large numbers by the U.S. Air Force in Vietnam. This has the original 3-prong flash hider. It would later be replaced by the upgraded M16A1 - 5.56x45mm

M16 aka SP1 (flat "slab side receiver") with an A1 "birdcage" Flash hider, used to imitate the M16A1 in many Vietnam era movies. This version has a 20 round magazine - 5.56x45mm