Picatinny rail (on upgraded models)
E36255
The Picatinny rail is a standardized mounting platform used on firearms to attach accessories such as optics, lights, and lasers.
All labels observed (9)
| Label | Occurrences |
|---|---|
| Picatinny rail | 15 |
| Picatinny rail system | 2 |
| MIL-STD-1913 | 1 |
| MIL-STD-1913 rail | 1 |
| Picatinny Arsenal rail | 1 |
| Picatinny accessory rail | 1 |
| Picatinny rail (in later models) | 1 |
| Picatinny rail (on upgraded models) canonical | 1 |
| Picatinny-style rail | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T278511 — 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: Picatinny rail (on upgraded models) Context triple: [SA80 assault rifle, mounts, Picatinny rail (on upgraded models)]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Beretta M1934 pistol
The Beretta M1934 pistol is an Italian semi-automatic handgun widely used in the mid-20th century, notably as the firearm employed in the assassination of Mahatma Gandhi.
-
E.
AR 670-1
AR 670-1 is the U.S. Army regulation that prescribes the policies and standards for the wear and appearance of Army uniforms and insignia.
- 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: Picatinny rail (on upgraded models) Target entity description: The Picatinny rail is a standardized mounting platform used on firearms to attach accessories such as optics, lights, and lasers.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Beretta M1934 pistol
The Beretta M1934 pistol is an Italian semi-automatic handgun widely used in the mid-20th century, notably as the firearm employed in the assassination of Mahatma Gandhi.
-
E.
AR 670-1
AR 670-1 is the U.S. Army regulation that prescribes the policies and standards for the wear and appearance of Army uniforms and insignia.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
firearm accessory mounting system
ⓘ
standardized rail interface ⓘ |
| alsoKnownAs |
Picatinny rail (on upgraded models)
ⓘ
surface form:
MIL-STD-1913 rail
Picatinny rail (on upgraded models) ⓘ
surface form:
Picatinny Arsenal rail
accessory rail ⓘ tactical rail ⓘ |
| appliesTo |
airsoft guns
ⓘ
carbines ⓘ handguns ⓘ machine guns ⓘ paintball markers ⓘ rifles ⓘ shotguns ⓘ |
| compatibleWith | Weaver rail (partially) ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| developedAt | Picatinny Arsenal ⓘ |
| enables |
interchangeability of accessories
ⓘ
quick attachment and removal of accessories ⓘ |
| followsStandard |
Picatinny rail (on upgraded models)
self-linksurface differs
ⓘ
surface form:
MIL-STD-1913
|
| hasFeature |
T-shaped cross-section
ⓘ
repeating transverse slots ⓘ standardized rail height ⓘ standardized slot spacing ⓘ standardized slot width ⓘ |
| materialUsed |
aluminum
ⓘ
steel ⓘ |
| mountedOn |
barrels
ⓘ
firearm receivers ⓘ handguards ⓘ pistol frames ⓘ |
| relatedTo |
KeyMod
ⓘ
M-LOK ⓘ Weaver rail (partially) ⓘ
surface form:
Weaver rail
|
| replaced | many proprietary mounting systems ⓘ |
| standardizedBy |
United States Armed Forces
ⓘ
surface form:
U.S. military
|
| typicalLocation |
bottom of handguard
ⓘ
sides of handguard ⓘ top of firearm receiver ⓘ |
| usedFor |
mounting backup iron sights
ⓘ
mounting bipods ⓘ mounting firearm accessories ⓘ mounting foregrips ⓘ mounting laser aiming devices ⓘ mounting optical sights ⓘ mounting weapon lights ⓘ |
| usedIn |
civilian sporting firearms
ⓘ
law enforcement firearms ⓘ military firearms ⓘ |
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: Picatinny rail (on upgraded models) Description of subject: The Picatinny rail is a standardized mounting platform used on firearms to attach accessories such as optics, lights, and lasers.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Picatinny rail
this entity surface form:
MIL-STD-1913 rail
subject surface form:
Picatinny rail
this entity surface form:
Picatinny Arsenal rail
Picatinny rail (on upgraded models)
→
followsStandard
→
Picatinny rail (on upgraded models)
self-linksurface differs
ⓘ
subject surface form:
Picatinny rail
this entity surface form:
MIL-STD-1913
subject surface form:
HK416F
this entity surface form:
Picatinny rail
this entity surface form:
Picatinny rail (in later models)
this entity surface form:
Picatinny rail
this entity surface form:
Picatinny rail
this entity surface form:
Picatinny-style rail
EOTech holographic sight (on some platforms)
→
mountingInterface
→
Picatinny rail (on upgraded models)
ⓘ
subject surface form:
EOTech holographic sight
this entity surface form:
Picatinny rail
subject surface form:
Weaver rail
this entity surface form:
Picatinny rail
subject surface form:
Weaver rail
this entity surface form:
Picatinny rail
subject surface form:
Weaver rail
this entity surface form:
Picatinny rail
subject surface form:
Weaver rail
this entity surface form:
Picatinny rail
subject surface form:
Weaver rail
this entity surface form:
Picatinny rail
this entity surface form:
Picatinny rail
this entity surface form:
Picatinny accessory rail
this entity surface form:
Picatinny rail
subject surface form:
HK417
this entity surface form:
Picatinny rail system
this entity surface form:
Picatinny rail
this entity surface form:
Picatinny rail
this entity surface form:
Picatinny rail
this entity surface form:
Picatinny rail system