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Artillery1981–presentProfile in progress
Chain gun autocannon
M242 Bushmaster is a chain gun autocannon originating in United States. It was built by Hughes Helicopters (1981–1985) McDonnell Douglas Helicopters (1985–2002) Alliant Techsystems (2002–2015) Orbital ATK (2015–2018) Northrop Grumman Innovation Systems (2018–present). Reported operators include Australia, Canada, Croatia, Georgia, Israel, Malaysia, New Zealand, Norway, Philippines, Singapore, Spain, Sri Lanka, Switzerland, Turkey, Ukraine, United States.
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Chain gun autocannon
United States
1981–present
See Operators
Hughes Helicopters
1976
Hughes Helicopters (1981–1985) McDonnell Douglas Helicopters (1985–2002) Alliant Techsystems (2002–2015) Orbital ATK (2015–2018) Northrop Grumman Innovation Systems (2018–present)
1981–present
>11,000
See variants
119 kilograms (262 lb )
2,672 mm (105.2 in)
2,175 mm (85.6 in)
318 mm (12.5 in)
373 mm (14.7 in)
25 × 137 mm
Single barrel (progressive RH parabolic twist)
Externally powered, chain driven, open bolt
Cyclic: 200 rpm with 1 hp or 500 rpm with 8 hp
1,100 metres per second (3,600 ft/s )
3,000 metres (9,800 ft )
6,800 metres (22,300 ft)
Australia Army : ASLAV-25 Navy : Armidale -class patrol boats , Hobart -class destroyers , Canberra -class landing helicopter docks
Canada Army : Coyote reconnaissance vehicle , LAV VI APC Navy : Harry DeWolf -class offshore patrol vessel
Croatia Army : M2 Bradley
Georgia Coast Guard : Island-class patrol boat
Israel Navy : Super Dvora Mk III-class patrol boat , Shaldag-class fast patrol boat
Malaysia Army : ACV-300 IFV
New Zealand Army : NZLAV Navy : HMNZS Canterbury multi-role vessel and Protector-class offshore patrol vessels
Norway
Philippines Army : GKN Simba AIFV , M113 APC Navy : Del Pilar -class offshore patrol vessel , Jacinto-class patrol vessel , Mariano Alvarez -class coastal patrol vessel , and Jose Andrada -class patrol craft
Singapore Army : Bionix 25 (replaced by the 30 mm Bushmaster II on the Bionix II ), M113A2 Ultra IFV Navy : Endurance -class landing platform dock , Formidable -class frigate Police Coast Guard : New coastal patrol craft (NCPC)
Spain Army : VEC-M1 Navy : Meteoro -class offshore patrol vessel
Sri Lanka Navy : Hamilton -class cutter , Reliance-class cutter
Switzerland
Turkey
Ukraine Army : Bradley M2A2 ODS & M7 Bradley fire support vehicle , LAV VI Ukrainian Navy : Island-class patrol boat (2019)
United States Army : M2/M3 Bradley Navy (Mk. 38 Mod 0, Mk. 38 Mod 2 and Mk. 38 Mod 3): Nimitz -class aircraft carrier , Arleigh Burke -class destroyer , Ticonderoga -class cruiser , Oliver Hazard Perry -class frigate , Wasp -class amphibious assault ship , Tarawa -class amphibious assault ship , Whidbey Island -class dock landing ship , Harpers Ferry -class dock landing ship , Austin -class amphibious transport dock , Blue Ridge -class command ship , Cyclone -class patrol ship , Mark VI patrol boat Marine Corps : LAV-25 Coast Guard (Mk. 38 Mod 0, Mk. 38 Mod 2 and Mk. 38 Mod 3): Reliance-class cutter , Hamilton -class cutter , Sentinel-class cutter , Island-class cutter , USCGC Alex Haley , future Heritage-class cutter
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 1 Oct 2026 | 2.672 m | Wikipedia contributors | approved |
| 1 Oct 2026 | 2.672 m | Wikipedia contributors | superseded |
M242 Bushmaster equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
Australia
Canada
Croatia
Georgia
Israel
Malaysia
New Zealand
Norway
Philippines
Singapore
Spain
Sri Lanka
Switzerland
Türkiye
Ukraine United StatesAustralia, Canada, Croatia, Georgia, Israel, Malaysia, New Zealand, Norway, Philippines, Singapore, Spain, Sri Lanka, Switzerland, Turkey, Ukraine, United States
Equipment reference ↗