2× 20 mm Colt Mk 12 cannon

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:aircraft
gptkbp:ammunitionType	20×110 mm USN
gptkbp:barrelLength	2
gptkbp:caliber	20 mm
gptkbp:manufacturer	gptkb:Colt's_Manufacturing_Company
gptkbp:rateOfFire	1000 rounds per minute (per gun)
gptkbp:type	gptkb:autocannon
gptkbp:usedBy	gptkb:United_States_Marine_Corps gptkb:United_States_Navy
gptkbp:usedDuring	gptkb:Korean_War gptkb:Vietnam_War
gptkbp:usedIn	gptkb:aircraft
gptkbp:bfsParent	gptkb:Douglas_A4D_Skyhawk gptkb:Douglas_A-4G_Skyhawk gptkb:McDonnell_Douglas_A-4G_Skyhawk gptkb:A-4Q_Skyhawk gptkb:Douglas_A-4_Skyhawk_family
gptkbp:bfsLayer	8
https://www.w3.org/2000/01/rdf-schema#label	2× 20 mm Colt Mk 12 cannon