Stevens 311D double-barreled shotgun
E1033982
The Stevens 311D is a side-by-side double-barreled 12-gauge shotgun known in part for its use in the Columbine High School massacre.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Stevens 311D double-barreled shotgun canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13309813 — 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: Stevens 311D double-barreled shotgun Context triple: [Columbine High School massacre, weaponUsed, Stevens 311D double-barreled shotgun]
-
A.
Savage-Springfield 67H shotgun
The Savage-Springfield 67H shotgun is a pump-action shotgun model that gained notoriety for its use in the Columbine High School massacre.
-
B.
Hellfire Shotguns
Hellfire Shotguns are Reaper’s signature twin shotguns in the Overwatch universe, known for their devastating close-range damage and brutal, relentless style.
-
C.
The Brocket Arms
The Brocket Arms is a historic country pub and inn located in the rural village of Ayot St Lawrence in Hertfordshire, England.
-
D.
Winchester Model 1873 rifle
The Winchester Model 1873 rifle is a famous lever-action repeating rifle, often called “The Gun that Won the West” for its widespread use in the American frontier era.
-
E.
Brooke rifle
The Brooke rifle was a Confederate heavy rifled cannon used in coastal defenses and aboard warships during the American Civil War.
- 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: Stevens 311D double-barreled shotgun Target entity description: The Stevens 311D is a side-by-side double-barreled 12-gauge shotgun known in part for its use in the Columbine High School massacre.
-
A.
Savage-Springfield 67H shotgun
The Savage-Springfield 67H shotgun is a pump-action shotgun model that gained notoriety for its use in the Columbine High School massacre.
-
B.
Hellfire Shotguns
Hellfire Shotguns are Reaper’s signature twin shotguns in the Overwatch universe, known for their devastating close-range damage and brutal, relentless style.
-
C.
The Brocket Arms
The Brocket Arms is a historic country pub and inn located in the rural village of Ayot St Lawrence in Hertfordshire, England.
-
D.
Winchester Model 1873 rifle
The Winchester Model 1873 rifle is a famous lever-action repeating rifle, often called “The Gun that Won the West” for its widespread use in the American frontier era.
-
E.
Brooke rifle
The Brooke rifle was a Confederate heavy rifled cannon used in coastal defenses and aboard warships during the American Civil War.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
12-gauge shotgun
ⓘ
double-barreled shotgun ⓘ shotgun ⓘ side-by-side shotgun ⓘ |
| actionType | break-action ⓘ |
| barrelConfiguration | side-by-side ⓘ |
| category |
hunting shotgun
ⓘ
sporting shotgun ⓘ |
| chamberType | break-open chambers ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| designedFor |
hunting
ⓘ
sport shooting ⓘ |
| feedSystem | break-open breech ⓘ |
| firearmType | smoothbore ⓘ |
| firingMechanism | hammerless ⓘ |
| gauge | 12 gauge ⓘ |
| loadingMechanism | manually loaded ⓘ |
| manufacturer |
Savage Arms
ⓘ
Stevens Arms ⓘ |
| marketedAs | utility shotgun ⓘ |
| notableFor | use in Columbine High School massacre ⓘ |
| numberOfBarrels | 2 ⓘ |
| primaryUse | civilian use ⓘ |
| safetyType | manual safety ⓘ |
| series | Stevens 311 ⓘ |
| stockMaterial | wood ⓘ |
| triggerConfiguration | double triggers ⓘ |
| typicalFinish | blued steel ⓘ |
| usedIn | Columbine High School massacre ⓘ |
| variantOf | Stevens 311 ⓘ |
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: Stevens 311D double-barreled shotgun Description of subject: The Stevens 311D is a side-by-side double-barreled 12-gauge shotgun known in part for its use in the Columbine High School massacre.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.