Type 99 rifle
E64975
The Type 99 rifle was a World War II-era Japanese bolt-action military rifle known for its robust design, use of 7.7×58mm ammunition, and service as a standard infantry weapon in the later years of the war.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Type 99 rifle canonical | 6 |
| Type 99 light machine gun | 2 |
| Type 99 cartridge | 1 |
| Type 99 long rifle | 1 |
| Type 99 short rifle | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T517078 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Type 99 rifle Context triple: [Armed Forces of the Empire of Japan, usedWeapon, Type 99 rifle]
-
A.
Type 38 rifle
The Type 38 rifle was a bolt-action service rifle of the Imperial Japanese military, known for its reliability, long service life, and use throughout the early 20th century including both World Wars.
-
B.
Beryl assault rifle
The Beryl assault rifle is a Polish-designed 5.56×45mm NATO service rifle widely used as the primary infantry weapon of Poland’s armed forces.
-
C.
FAMAS assault rifle
The FAMAS assault rifle is a distinctive French bullpup 5.56×45mm NATO service rifle known for its high rate of fire and long use as the standard infantry weapon of France.
-
D.
SA80 assault rifle
The SA80 assault rifle is the standard-issue bullpup infantry weapon of the British Armed Forces, known for its compact design and multiple modernization upgrades since its introduction in the 1980s.
-
E.
Carcano rifle
The Carcano rifle is an Italian bolt-action military rifle most widely known as the weapon used by Lee Harvey Oswald in the assassination of U.S. President John F. Kennedy.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Type 99 rifle Target entity description: The Type 99 rifle was a World War II-era Japanese bolt-action military rifle known for its robust design, use of 7.7×58mm ammunition, and service as a standard infantry weapon in the later years of the war.
-
A.
Type 38 rifle
The Type 38 rifle was a bolt-action service rifle of the Imperial Japanese military, known for its reliability, long service life, and use throughout the early 20th century including both World Wars.
-
B.
Beryl assault rifle
The Beryl assault rifle is a Polish-designed 5.56×45mm NATO service rifle widely used as the primary infantry weapon of Poland’s armed forces.
-
C.
FAMAS assault rifle
The FAMAS assault rifle is a distinctive French bullpup 5.56×45mm NATO service rifle known for its high rate of fire and long use as the standard infantry weapon of France.
-
D.
SA80 assault rifle
The SA80 assault rifle is the standard-issue bullpup infantry weapon of the British Armed Forces, known for its compact design and multiple modernization upgrades since its introduction in the 1980s.
-
E.
Carcano rifle
The Carcano rifle is an Italian bolt-action military rifle most widely known as the weapon used by Lee Harvey Oswald in the assassination of U.S. President John F. Kennedy.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
bolt-action rifle
ⓘ
military rifle ⓘ service rifle ⓘ |
| action | bolt-action ⓘ |
| approximateNumberBuilt | millions ⓘ |
| cartridge | 7.7×58mm Arisaka ⓘ |
| chambering | 7.7×58mm Japanese ⓘ |
| countryOfOrigin |
Empire of Japan
ⓘ
linked to:
Japan
|
| designed | late 1930s ⓘ |
| designedToReplace | Type 38 rifle ⓘ |
| era | World War II era ⓘ |
| feedSystem |
5-round internal box magazine
ⓘ
stripper clip loaded ⓘ |
| hasVariant |
Type 99 long rifle
ⓘ
linked to:
Type 99 rifle
Type 99 short rifle ⓘ
linked to:
Type 99 rifle
Type 99 sniper rifle ⓘ paratrooper takedown model ⓘ |
| knownFor |
reliability
ⓘ
robust design ⓘ strong receiver ⓘ |
| laterWarProductionFeature |
cruder finish
ⓘ
omission of some features such as monopod ⓘ simplified machining ⓘ |
| muzzleDevice | bayonet lug ⓘ |
| originalFeature |
dust cover on bolt on some rifles
ⓘ
folding monopod on some early rifles ⓘ |
| overallLength |
approximately 1,120 mm for short rifle
ⓘ
approximately 1,180 mm for long rifle ⓘ |
| postwarUse | captured and used as war trophies by Allied soldiers ⓘ |
| primaryServicePeriod | late 1930s to 1945 ⓘ |
| producedBy |
Jinsen Arsenal
ⓘ
Kokura Arsenal ⓘ Mukden Arsenal ⓘ Nagoya Arsenal ⓘ Toyokawa Navy Arsenal ⓘ |
| productionPeriod | circa 1939–1945 ⓘ |
| rateOfFire | manual, operator dependent ⓘ |
| receiverMarking | Imperial chrysanthemum crest on many rifles ⓘ |
| replaced | Type 38 rifle ⓘ |
| safety | large knurled knob at rear of bolt ⓘ |
| serviceEntry | 1939 ⓘ |
| sights |
folding anti-aircraft wings on some models
ⓘ
rear ladder sight ⓘ |
| standardInfantryRifleFor | Imperial Japanese Army ⓘ |
| stockMaterial | wood ⓘ |
| typicalBarrelLength |
approximately 635 mm for short rifle
ⓘ
approximately 660 mm for long rifle ⓘ |
| typicalMuzzleVelocity | approximately 730–760 m/s with standard ball ammunition ⓘ |
| usedBy | Imperial Japanese Army ⓘ |
| usedInConflict | World War II ⓘ |
| weight | approximately 3.7–4.0 kg depending on variant ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Type 99 rifle Description of subject: The Type 99 rifle was a World War II-era Japanese bolt-action military rifle known for its robust design, use of 7.7×58mm ammunition, and service as a standard infantry weapon in the later years of the war.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Type 99 rifle
linked to: Type 99 rifle
linked to: Type 99 rifle
linked to: Type 99 rifle
linked to: Type 99 rifle