M203 40 mm grenade launcher
E421756
The M203 40 mm grenade launcher is a single-shot, under-barrel weapon system designed to attach to rifles and provide infantry with enhanced explosive firepower for close support and area suppression.
All labels observed (2)
| Label | Occurrences |
|---|---|
| M203 40 mm grenade launcher canonical | 1 |
| M320 grenade launcher | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4232017 — 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: M203 40 mm grenade launcher Context triple: [F88 Austeyr, grenadeLauncherCompatible, M203 40 mm grenade launcher]
-
A.
HK69 grenade launcher
The HK69 grenade launcher is a German-made, single-shot, break-action 40mm weapon designed by Heckler & Koch for infantry use in launching explosive and less-lethal munitions.
-
B.
M224 60mm mortar
The M224 60mm mortar is a lightweight, man-portable indirect fire weapon system used by U.S. infantry units to provide close-range high-angle fire support.
-
C.
M230 30 mm chain gun
The M230 30 mm chain gun is a single-barrel, electrically driven automatic cannon primarily used on attack helicopters for high-rate, accurate fire against ground targets.
-
D.
M242 Bushmaster 25 mm chain gun
The M242 Bushmaster 25 mm chain gun is a widely used, externally powered autocannon known for its reliability and versatility on armored vehicles and naval platforms.
-
E.
RPG-7
The RPG-7 is a widely used, shoulder-fired, reusable rocket-propelled grenade launcher of Soviet origin, known for its simplicity, low cost, and effectiveness against armored vehicles and fortifications.
- 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: M203 40 mm grenade launcher Target entity description: The M203 40 mm grenade launcher is a single-shot, under-barrel weapon system designed to attach to rifles and provide infantry with enhanced explosive firepower for close support and area suppression.
-
A.
HK69 grenade launcher
The HK69 grenade launcher is a German-made, single-shot, break-action 40mm weapon designed by Heckler & Koch for infantry use in launching explosive and less-lethal munitions.
-
B.
M224 60mm mortar
The M224 60mm mortar is a lightweight, man-portable indirect fire weapon system used by U.S. infantry units to provide close-range high-angle fire support.
-
C.
M230 30 mm chain gun
The M230 30 mm chain gun is a single-barrel, electrically driven automatic cannon primarily used on attack helicopters for high-rate, accurate fire against ground targets.
-
D.
M242 Bushmaster 25 mm chain gun
The M242 Bushmaster 25 mm chain gun is a widely used, externally powered autocannon known for its reliability and versatility on armored vehicles and naval platforms.
-
E.
RPG-7
The RPG-7 is a widely used, shoulder-fired, reusable rocket-propelled grenade launcher of Soviet origin, known for its simplicity, low cost, and effectiveness against armored vehicles and fortifications.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
firearm accessory
ⓘ
grenade launcher ⓘ under-barrel weapon system ⓘ |
| actionType | single-shot ⓘ |
| ammunitionType |
high-explosive grenade
ⓘ
illumination grenade ⓘ low-velocity 40 mm grenade ⓘ smoke grenade ⓘ training grenade ⓘ |
| canBeUsedStandalone | true ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designedForCaliber | 40×46mm grenade ⓘ |
| designedForRole | grenadier ⓘ |
| designedToEnhance |
platoon-level firepower
ⓘ
squad-level firepower ⓘ |
| designedToMountOn |
M16 rifle
ONNED1
ⓘ
M4 carbine NERFINISHED ⓘ assault rifle ⓘ rifle ⓘ |
| effectiveAgainst |
personnel in light cover
ⓘ
personnel in open ⓘ |
| feedSystem | single round ⓘ |
| hasBarrel | rifled ⓘ |
| hasSafety | manual safety ⓘ |
| hasSightingSystem |
leaf sight
ⓘ
quadrant sight ⓘ |
| hasTrigger | separate from host rifle trigger ⓘ |
| isManPortable | true ⓘ |
| isReusable | true ⓘ |
| isSelectiveFire | false ⓘ |
| isShoulderFired | true ⓘ |
| isSingleShot | true ⓘ |
| loadingMechanism | breech-loaded ⓘ |
| mountingInterface |
barrel clamp
ⓘ
handguard mount ⓘ |
| mountingType | under-barrel ⓘ |
| operation | manual ⓘ |
| primaryFunction |
area suppression
ⓘ
infantry close support ⓘ |
| providesCapability |
indirect fire at short ranges
ⓘ
organic explosive firepower to small units ⓘ |
| standardCaliber | 40 mm ⓘ |
| typicalUse |
anti-personnel
ⓘ
infantry support ⓘ obscuration ⓘ signaling ⓘ |
| usedBy | infantry units ⓘ |
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: M203 40 mm grenade launcher Description of subject: The M203 40 mm grenade launcher is a single-shot, under-barrel weapon system designed to attach to rifles and provide infantry with enhanced explosive firepower for close support and area suppression.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
F88 Austeyr
subject surface form:
Golf Company, 2nd Battalion, 4th Marines
this entity surface form:
M320 grenade launcher