the ho-5 (army type 2) was a japanese aircraft autocannon used during world war ii. developed from the ho-103 machine gun, it was a version of the american model 1921 browning aircraft machine gun. it replaced the ho-1 and ho-3 (army type 97) in general service. the ho-5 was belt-fed using typical browning-style steel disintegrating links. the cartridge used was a shortened version of the allied 20 x 110mm hispano-suiza hs.404.