Picatinny rail (on upgraded models)

E36255

firearm accessory mounting system standardized rail interface

The Picatinny rail is a standardized mounting platform used on firearms to attach accessories such as optics, lights, and lasers.

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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

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.

SA80 assault rifle → mounts → Picatinny rail (on upgraded models) ⓘ

Picatinny rail (on upgraded models) → alsoKnownAs → Picatinny rail (on upgraded models) ⓘ

subject surface form: Picatinny rail

this entity surface form: MIL-STD-1913 rail

Picatinny rail (on upgraded models) → alsoKnownAs → Picatinny rail (on upgraded models) ⓘ

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

HK416F assault rifle → sightMountingSystem → Picatinny rail (on upgraded models) ⓘ

subject surface form: HK416F