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Type 1 heavy machine gun
Type	Heavy machine gun
Place of origin	Empire of Japan
Service history
In service	1942–1945
Used by	Imperial Japanese Army  Indonesia Armed Forces
Wars	World War II Indonesian National Revolution
Production history
Designed	1940–1941
Produced	1942–1945
Specifications
Mass	36.8 kg (81 lb) (gun & tripod)
Length	1,077 mm (42 in)
Barrel length	589 mm (23.2 in)
Cartridge	7.7×58mm Arisaka
Action	Gas-operated
Rate of fire	400–450 round/min
Muzzle velocity	770 m/s (2,500 ft/s)
Effective firing range	1.4 km (0.87 mi)
Maximum firing range	4.1 km (2.5 mi)
Feed system	Metal 30-round feed trays
Sights	Blade front sight with rear peep sight, graduated from 100 to 2,200 meters, with provision for mounting a telescope.

The Type 1 heavy machine gun (一式重機関銃, Ichi-shiki jū-kikanjū) was a heavy machine gun used by the Imperial Japanese Army during the later stages of the Second World War. Though seemingly intended to replace the older Type 92 heavy machine gun, the weapon never underwent the same level of mass production as its predecessor due to either material shortages or the fact that the Type 92 heavy machine gun was deemed as acceptable.

Description

The Type 1 is essentially a smaller, lighter version of the Type 92 heavy machine gun. It employs the same principles of operation, simply with scaled down components. The barrel is designed to be rapidly changed in the field to prevent overheating, as a result the barrel cooling rings were reduced in size and the barrel jacket was done away with entirely. It was fed from 30-round brass feed strips. The overall rate of fire was higher than that of the Type 92 heavy machine gun. Like previous Japanese heavy machine gun models, the Type 1 was strip fed with 30 round strips. It was mounted in the same way as previous Japanese machine guns and issued to machine gun companies at the battalion level.

See also

• Type 3 heavy machine gun
• Type 92 heavy machine gun
• Hotchkiss M1914 machine gun

References

1. Bloomfield, Lincoln P.; Leiss, Amelia Catherine (30 June 1967). The Control of local conflict : a design study on arms control and limited war in the developing areas (PDF). Vol. 3. Massachusetts Institute of Technology. Center for International Studies. p. 92. hdl:2027/uiug.30112064404368. Archived (PDF) from the original on August 4, 2020.
2. Ian McCollum (2014). "Japanese Type 1 HMG". Forgotten Weapons.
3. "The New Juki". Intelligence Bulletin. III (10). U.S. War Department. June 1945.
4. "TYPE 01 MACHINE GUN - Quartermaster Section".

• TM-E 30-480, Handbook on Japanese Military Forces. United States War Department. 1944.

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