[3][4] The Type 11 designation was given to this gun as it was accepted in the 11th year of Emperor Taishō's reign (1922).

It has a level vial, actuated by a knob, a movable arm, and a fixed elevation scale.

Before the weapon can be fired, by means of a lanyard attached to a striker arm, a latch pin on the breech end of the tube must be set in its recess.

[3] The complete high explosive (HE) round consists of a fuze, the shell body, and the propellant charge assembly.

[3] The fuze is a point-detonating type, consisting of a two-piece brass body, a booster cup, a detonator holder, and a washer.