Springfield Model 1866 rifle
E864643
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Springfield Model 1866 rifle canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10472915 — 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 1866 rifle Context triple: [Wagon Box Fight, weaponUnitedStates, Springfield Model 1866 rifle]
-
A.
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.
-
B.
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.
-
C.
Whitworth rifle
The Whitworth rifle was a highly accurate, long-range British-made rifled cannon and small arms design used during the American Civil War, noted for its distinctive hexagonal bore and exceptional precision.
-
D.
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.
-
E.
Harpers Ferry Model 1855 rifle-musket
The Harpers Ferry Model 1855 rifle-musket was a .58 caliber, percussion, rifled long arm used by the U.S. military in the mid-19th century and is notable as an early standard-issue American rifled musket.
- 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 1866 rifle Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
Whitworth rifle
The Whitworth rifle was a highly accurate, long-range British-made rifled cannon and small arms design used during the American Civil War, noted for its distinctive hexagonal bore and exceptional precision.
-
D.
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.
-
E.
Harpers Ferry Model 1855 rifle-musket
The Harpers Ferry Model 1855 rifle-musket was a .58 caliber, percussion, rifled long arm used by the U.S. military in the mid-19th century and is notable as an early standard-issue American rifled musket.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
breech-loading rifle
ⓘ
trapdoor rifle ⓘ |
| actionOrigin | Erskine S. Allin trapdoor system NERFINISHED ⓘ |
| actionType | hinged-breech action ⓘ |
| barrelType | rifled barrel ⓘ |
| cartridge | .50-70 Government NERFINISHED ⓘ |
| cartridgeType | centerfire metallic cartridge ⓘ |
| category |
19th-century firearms
ⓘ
United States military small arms ⓘ |
| conversionFrom |
Civil War muzzle-loading muskets
ⓘ
Springfield Model 1863 rifled musket NERFINISHED ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designed | 1866 ⓘ |
| designedFor | conversion of existing muzzle-loading muskets ⓘ |
| designedToReplace | muzzle-loading rifled muskets in U.S. service ⓘ |
| era | post–American Civil War era ⓘ |
| feedSystem | single-shot, manually loaded ⓘ |
| firingMechanism | trapdoor breechblock ⓘ |
| followedBy | Springfield Model 1868 rifle NERFINISHED ⓘ |
| hasPart |
external hammer
ⓘ
hinged breechblock ⓘ ramrod channel from original musket stock ⓘ |
| historicalSignificance |
early U.S. Army adoption of metallic cartridge breech-loaders
ⓘ
transitional design between muzzle-loaders and later trapdoor Springfields ⓘ |
| ignitionSystem | centerfire primer ⓘ |
| introduced | 1866 ⓘ |
| loadingMechanism | single-shot ⓘ |
| manufacturer | Springfield Armory NERFINISHED ⓘ |
| material |
steel barrel
ⓘ
walnut stock ⓘ |
| namedAfter | year of adoption 1866 ⓘ |
| notableFeature |
improved trapdoor breech over Model 1865
ⓘ
use of .50-70 Government metallic cartridge ⓘ |
| numberOfShots | 1 ⓘ |
| operatedBy | manual operation ⓘ |
| precededBy | Springfield Model 1865 rifle NERFINISHED ⓘ |
| primaryServicePeriod |
1870s
ⓘ
late 1860s ⓘ |
| propellant | black powder ⓘ |
| serviceEntry | late 1860s ⓘ |
| typeDesignation | Model 1866 ⓘ |
| usedBy |
U.S. cavalry units (in limited numbers)
ⓘ
U.S. frontier garrisons ⓘ U.S. infantry units ⓘ United States Army ⓘ |
| usedInConflict | American Indian Wars NERFINISHED ⓘ |
| usedInRole |
frontier defense weapon
ⓘ
standard service rifle ⓘ |
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 1866 rifle Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.