M4A1

The M4 carbine (formally Carbine, 5.56 mm calibre, M4 ) is a 5.56 × 45 mm NATO , gas-fuelled, magazine-fed carbine developed in the United States in the 1980s. It is a shortened version of the M16A2 assault rifle.
The M4A1 was one of the primary weapons used by the United States Armed Forces during World War III. After the nuclear holocaust that followed The Great War, the assault rifle was popular with the remaining survivors of the factionalised war in both America and European countries.
== History ==
Category:The Dark Future
Category:Weapons