The M4 carbine is a shorter and lighter variant of the M16A2 assault rifle. The M4 is a ×45mm NATO, air-cooled, direct impingement gas-operated, magazine-fed carbine. It has a barrel and a telescoping stock.
Type:
Carbine
Place of origin:
United States
In service:
1994–present
Used by:
See Users below
Wars:
Colombian conflict, Moro conflict, Kosovo War, War in Afghanistan (2001–present), Iraq War, Syrian Civil War, 2013 Lahad Datu standoff, Iraqi Civil War (2014–present), Yemeni Civil War (2015-present), Battle of Marawi
Designed:
1984–1993
Manufacturer:
See Manufacturers below
Unit cost:
$700 (avg. cost)
Produced:
1993–present
Variants:
M4A1, Mark 18 Mod 0 CQBR
Weight:
empty, lb ( kg) with 30 rounds
Length:
33 in ( mm) (stock extended), in ( mm) (stock retracted)
Barrel length:
14.5 in ( mm)
Cartridge:
×45mm NATO
Caliber:
mm (.223 in)
Barrels:
1
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