EntityQ2252249· pop 11· linked from 93 articlesHo-103Sign in to save12.7 mm machine gun aircraft armamentConnectionsWorld War IIConceptInternational Standard Book NumberEntitymachine gunEntityEmpire of JapanEntityKingdom of ItalyEntitycartridgeEntityImperial Japanese ArmyEntitygun barrelEntitycycloniteEntityM2 BrowningEntitypentaerythritol tetranitrateEntitymuzzle velocityEntitytracer ammunitionEntityheavy machine gunEntityarmor-piercing shellEntityrate of fireEntityfull metal jacket bulletEntityRheinmetall-Borsig MG 131EntitySteven F. Udvar-Hazy CenterEntityRecoil operationEntityCategories12.7×81 mm firearms12.7 mm machine gunsAircraft gunsMachine guns of JapanWeapons and ammunition introduced in 1941World War II machine guns