Editing Colt Mk 12 cannon (section)

{{More citations needed|date=February 2024}}
{{Infobox weapon
|name= Colt Mk 12
| image= 20 mm Mk 12 cannon of RNZAF A-4K Skyhawk 1984.jpg
| image_size = 
|caption= Mk 12 cannon of a [[RNZAF]] [[Douglas A-4 Skyhawk|Douglas A-4K Skyhawk]].
|origin= United States
|type= [[Autocannon]]
<!-- Type selection -->
|is_ranged= yes
<!-- Service history -->
|service= 1950s – present
|used_by=
|wars= [[Vietnam War]]<br />[[Falklands War]]<br />[[Gulf War]]
<!-- Production history -->
|designer=[[Colt's Manufacturing Company]]
|design_date=
|manufacturer=[[Colt's Manufacturing Company]]
|unit_cost=
|production_date=
|number=
|variants=
<!-- General specifications -->
|spec_label=
|weight= {{Convert|46.0|kg|abbr=on}}
|length=
|part_length=
|width=
|height=
|diameter=
|crew=
<!-- Ranged weapon specifications -->
|cartridge=[[20×110mm USN]]
|caliber=[[20 mm caliber|20 mm (0.787 in)]]
|barrels=
|action= Gas-operated reloading
|rate= 1,000 rpm
|velocity= {{Convert|1010|m/s|abbr=on}}
|range=
|max_range=
|feed=
|sights=
}}
{{Lead too short|date=August 2023}}

The '''Colt Mk 12''' is a 20&nbsp;mm [[autocannon]] that was widely used by the [[United States Navy]] after [[World War II]].