K2 assault rifle
E398022
The K2 assault rifle is a South Korean 5.56×45mm NATO service rifle developed by Daewoo as the standard-issue firearm for the Republic of Korea Armed Forces.
All labels observed (2)
| Label | Occurrences |
|---|---|
| K2 assault rifle canonical | 2 |
| K2C1 rifle | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3862896 — 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: K2 assault rifle Context triple: [Republic of Korea Army, equipment, K2 assault rifle]
-
A.
AK5 assault rifle
The AK5 assault rifle is a Swedish-made, 5.56×45mm NATO service rifle that serves as the standard infantry weapon of the Swedish Armed Forces.
-
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.
HK433 assault rifle
The HK433 assault rifle is a modern modular German 5.56×45mm NATO firearm designed by Heckler & Koch to combine features of the G36 and HK416 for military and law enforcement use.
-
D.
HK417 battle rifle
The HK417 battle rifle is a German-designed, gas-operated, selective-fire rifle chambered in 7.62×51mm NATO, known for its reliability, accuracy, and use by military and special forces units worldwide.
-
E.
HK33 assault rifle
The HK33 assault rifle is a German-designed 5.56×45mm NATO selective-fire rifle developed by Heckler & Koch as a smaller-caliber counterpart to the G3.
- 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: K2 assault rifle Target entity description: The K2 assault rifle is a South Korean 5.56×45mm NATO service rifle developed by Daewoo as the standard-issue firearm for the Republic of Korea Armed Forces.
-
A.
AK5 assault rifle
The AK5 assault rifle is a Swedish-made, 5.56×45mm NATO service rifle that serves as the standard infantry weapon of the Swedish Armed Forces.
-
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.
HK433 assault rifle
The HK433 assault rifle is a modern modular German 5.56×45mm NATO firearm designed by Heckler & Koch to combine features of the G36 and HK416 for military and law enforcement use.
-
D.
HK417 battle rifle
The HK417 battle rifle is a German-designed, gas-operated, selective-fire rifle chambered in 7.62×51mm NATO, known for its reliability, accuracy, and use by military and special forces units worldwide.
-
E.
HK33 assault rifle
The HK33 assault rifle is a German-designed 5.56×45mm NATO selective-fire rifle developed by Heckler & Koch as a smaller-caliber counterpart to the G3.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
assault rifle
ⓘ
service rifle ⓘ |
| action | gas-operated ⓘ |
| barrelLength | approximately 465 mm ⓘ |
| caliber | 5.56 mm ⓘ |
| cartridge | 5.56×45mm NATO ⓘ |
| chambering | 5.56×45mm NATO ⓘ |
| coolingSystem | air-cooled ⓘ |
| countryOfOrigin | South Korea ⓘ |
| designedAs | standard-issue rifle ⓘ |
| designedToReplace | M16A1 rifle in South Korean service ⓘ |
| developer | Daewoo Precision Industries ⓘ |
| exportedTo | various foreign military and police users ⓘ |
| feedSystem | detachable box magazine ⓘ |
| fireModes |
fully automatic
ⓘ
safe ⓘ semi-automatic ⓘ three-round burst ⓘ |
| gasSystem | long-stroke gas piston ⓘ |
| hasVariant |
K2A
ⓘ
K2C ⓘ K2C ⓘ
surface form:
K2C1
K2C2 ⓘ |
| inService | 1980s ⓘ |
| magazineCompatibility | STANAG magazine ⓘ |
| manufacturer | S&T Motiv ⓘ |
| material |
polymer furniture
ⓘ
steel ⓘ |
| mountingOptions |
bayonet lug
ⓘ
grenade launcher (selected models) ⓘ |
| overallLength | approximately 980 mm with stock extended ⓘ |
| rateOfFire | about 700–900 rounds per minute ⓘ |
| rifling | right-hand twist ⓘ |
| selectFire | yes ⓘ |
| sights |
iron sights
ⓘ
optical sights (optional) ⓘ |
| standardIssueOf |
Republic of Korea Armed Forces (operationally associated)
ⓘ
surface form:
Republic of Korea Armed Forces
|
| stockType | folding stock ⓘ |
| usedBy |
Republic of Korea Air Force
ⓘ
Republic of Korea Armed Forces (operationally associated) ⓘ
surface form:
Republic of Korea Armed Forces
Republic of Korea Army ⓘ Republic of Korea Marine Corps ⓘ South Korean Navy ⓘ
surface form:
Republic of Korea Navy
|
| usedIn | South Korean military service ⓘ |
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: K2 assault rifle Description of subject: The K2 assault rifle is a South Korean 5.56×45mm NATO service rifle developed by Daewoo as the standard-issue firearm for the Republic of Korea Armed Forces.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
K2C1 rifle