Type 93 heavy machine gun

The Type 93 13 mm heavy machine gun (Japanese: 九三式十三粍機銃 Kyū-san Shiki Jū-san Mirimētoru Kijū), known to the Imperial Japanese Army as the Type Ho 13 mm AA machine cannon (Japanese: ホ式十三粍高射機関砲 Ho Shiki Jū-san Mirimētoru Kōsha Kikanhō), was a license-built version of the Hotchkiss M1930 machine gun used by the Empire of Japan during the Second Sino-Japanese War and World War II.^[5][6]

Members of the Imperial Japanese Navy operating various artillery, circa 1939. A Type 93 dual-mount is visible in the background.

A Type 93 mounted on a pedestal emplacement on Iwo Jima, 1945.

Type 93 heavy machine gun
A tripod-mounted single Type 93 HMG on display at the Auckland Museum
Type	Heavy machine gun, anti-aircraft cannon
Place of origin	Empire of Japan
Service history
In service	1935–1945 (Japan)
Used by	Imperial Japanese Army Imperial Japanese Navy Indonesian National Armed Forces[1]
Wars	Second Sino-Japanese War World War II Indonesian National Revolution
Production history
Designed	1933
Manufacturer	Yokosuka Naval Yard[1]
Produced	1935–1945
No. built	1,495+ available late war[2]
Specifications
Mass	42 kilograms (93 lb) (empty)
Length	140 centimeters (55 in)
Barrel length	988 millimeters (38.9 in)
Shell	13.2×99mm Hotchkiss
Caliber	13.2 mm
Action	Gas-operated fully automatic
Elevation	-15 / +85°
Traverse	360°
Rate of fire	450 rounds/min[3]
Effective firing range	1,000 meters (3,300 ft) (against aircraft)[4]
Sights	Spiderweb anti-aircraft iron sight