Rule 34 Dev - 37_millimeter_vulcan_revolver_cannon aiming ammunition anti-materiel_cartridge autocannon av-98_ingram bad_id bad_pixiv_id cannon cannon_cartridge colt_python gradient_background gun handgun kidou_keisatsu_patlabor mecha no_humans police revolver revolver_cannon robot science_fiction smoke solo solokov_(okb-999) weapon|5261343048