Springfield Model 1873 "Trapdoor" rifle
E927023
The Springfield Model 1873 "Trapdoor" rifle is a single-shot, breech-loading U.S. military service rifle that became the standard infantry arm after the Civil War and is notable for its hinged "trapdoor" loading mechanism.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Springfield Model 1873 "Trapdoor" rifle canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11429840 — 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: Springfield Model 1873 "Trapdoor" rifle Context triple: [Springfield Armory, produced, Springfield Model 1873 "Trapdoor" rifle]
-
A.
Springfield Model 1866 rifle
The Springfield Model 1866 rifle was an early “trapdoor” breech-loading conversion of Civil War muzzle-loading muskets, widely used by the U.S. Army during the Indian Wars.
-
B.
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.
-
C.
Springfield Model 1863 rifle-musket
The Springfield Model 1863 rifle-musket was a .58 caliber percussion muzzle-loading infantry firearm widely used by Union forces during the American Civil War and noted for its improved design and reliability over earlier Springfield models.
-
D.
Springfield Model 1861 rifle-musket
The Springfield Model 1861 rifle-musket was the primary percussion rifle used by Union forces during the American Civil War and one of the most widely produced and influential military firearms of its era.
-
E.
Sharps rifle
The Sharps rifle is a 19th-century American single-shot, breech-loading firearm renowned for its long-range accuracy and extensive use by buffalo hunters and marksmen on the Western frontier.
- 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: Springfield Model 1873 "Trapdoor" rifle Target entity description: The Springfield Model 1873 "Trapdoor" rifle is a single-shot, breech-loading U.S. military service rifle that became the standard infantry arm after the Civil War and is notable for its hinged "trapdoor" loading mechanism.
-
A.
Springfield Model 1866 rifle
The Springfield Model 1866 rifle was an early “trapdoor” breech-loading conversion of Civil War muzzle-loading muskets, widely used by the U.S. Army during the Indian Wars.
-
B.
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.
-
C.
Springfield Model 1863 rifle-musket
The Springfield Model 1863 rifle-musket was a .58 caliber percussion muzzle-loading infantry firearm widely used by Union forces during the American Civil War and noted for its improved design and reliability over earlier Springfield models.
-
D.
Springfield Model 1861 rifle-musket
The Springfield Model 1861 rifle-musket was the primary percussion rifle used by Union forces during the American Civil War and one of the most widely produced and influential military firearms of its era.
-
E.
Sharps rifle
The Sharps rifle is a 19th-century American single-shot, breech-loading firearm renowned for its long-range accuracy and extensive use by buffalo hunters and marksmen on the Western frontier.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. military service rifle
ⓘ
breech-loading rifle ⓘ rifle ⓘ single-shot firearm ⓘ |
| actionType | trapdoor breechblock ⓘ |
| alsoKnownAs |
Model 1873 Springfield
NERFINISHED
ⓘ
U.S. Springfield .45-70 "Trapdoor" NERFINISHED ⓘ |
| approximateNumberProduced | hundreds of thousands ⓘ |
| barrelLength | 32 5/8 inches (rifle version) ⓘ |
| caliber | .45 inch ⓘ |
| cartridge | .45-70 Government NERFINISHED ⓘ |
| collectibleStatus | popular U.S. military antique firearm ⓘ |
| conflict |
Great Sioux War of 1876
NERFINISHED
ⓘ
Indian Wars NERFINISHED ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designer | Erskine S. Allin NERFINISHED ⓘ |
| era | post–American Civil War ⓘ |
| feedSystem | single-shot, no magazine ⓘ |
| firingMode | single-shot ⓘ |
| historicalSignificance | first standard U.S. service rifle designed for metallic cartridges ⓘ |
| loadingMechanism | hinged trapdoor ⓘ |
| loadingProcedure | manually open trapdoor, insert single cartridge, close, and fire ⓘ |
| manufacturer | Springfield Armory NERFINISHED ⓘ |
| material |
steel barrel and action
ⓘ
walnut stock ⓘ |
| notableEngagement | Battle of the Little Bighorn NERFINISHED ⓘ |
| overallLength | approximately 51 7/8 inches (rifle version) ⓘ |
| productionEnd | 1880s ⓘ |
| productionStart | 1873 ⓘ |
| replaced |
Civil War muzzle-loading rifled muskets
ⓘ
Springfield Model 1866 rifle NERFINISHED ⓘ |
| safetyFeature | half-cock notch on hammer ⓘ |
| serviceEntry | 1873 ⓘ |
| sights |
blade front sight
ⓘ
open rear sight ⓘ |
| standardServiceRifleOf | United States Army NERFINISHED ⓘ |
| standardServiceRiflePeriod | 1873–1892 ⓘ |
| successorModel |
Springfield Model 1879 "Trapdoor" rifle
NERFINISHED
ⓘ
Springfield Model 1884 "Trapdoor" rifle NERFINISHED ⓘ |
| usedBy |
United States Army
ⓘ
United States cavalry NERFINISHED ⓘ state militias in the United States ⓘ |
| variant |
cadet rifle version
ⓘ
carbine version ⓘ officer’s model ⓘ |
| wasReplacedBy | Krag–Jørgensen rifle NERFINISHED ⓘ |
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: Springfield Model 1873 "Trapdoor" rifle Description of subject: The Springfield Model 1873 "Trapdoor" rifle is a single-shot, breech-loading U.S. military service rifle that became the standard infantry arm after the Civil War and is notable for its hinged "trapdoor" loading mechanism.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.