6.5 Grendel
E713951
6.5 Grendel is an intermediate rifle cartridge designed to extend the effective range and accuracy of AR-15–style rifles while maintaining manageable recoil.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 6.5 Grendel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8130983 — 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: 6.5 Grendel Context triple: [AR-15 pattern rifles, supportsCaliber, 6.5 Grendel]
-
A.
Grendel
Grendel is the monstrous, man-eating antagonist from the Old English epic poem "Beowulf," often interpreted as a symbol of chaos and evil.
-
B.
The Gund
The Gund is the former name of Rocket Mortgage FieldHouse, a major indoor sports and entertainment arena in downtown Cleveland, Ohio.
-
C.
Botwulf
Botwulf is an alternate name for Saint Botolph, a 7th-century English abbot venerated as the patron saint of travelers and various East Anglian towns.
-
D.
The Grym Reaper
The Grym Reaper is the horrorcore rap persona of Prince Paul, a founding member and producer of the pioneering hip hop group Gravediggaz.
-
E.
The Beast
The Beast is a song by Bill Callahan featured on his album "Shepherd in a Sheepskin Vest."
- 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: 6.5 Grendel Target entity description: 6.5 Grendel is an intermediate rifle cartridge designed to extend the effective range and accuracy of AR-15–style rifles while maintaining manageable recoil.
-
A.
Grendel
Grendel is the monstrous, man-eating antagonist from the Old English epic poem "Beowulf," often interpreted as a symbol of chaos and evil.
-
B.
The Gund
The Gund is the former name of Rocket Mortgage FieldHouse, a major indoor sports and entertainment arena in downtown Cleveland, Ohio.
-
C.
Botwulf
Botwulf is an alternate name for Saint Botolph, a 7th-century English abbot venerated as the patron saint of travelers and various East Anglian towns.
-
D.
The Grym Reaper
The Grym Reaper is the horrorcore rap persona of Prince Paul, a founding member and producer of the pioneering hip hop group Gravediggaz.
-
E.
The Beast
The Beast is a 1996 American made-for-television miniseries adaptation of Peter Benchley’s novel about a giant squid terrorizing a coastal community.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
intermediate cartridge
ⓘ
rifle cartridge ⓘ |
| advantageOver 5.56×45mm NATO |
better long-range energy retention
ⓘ
improved wind resistance ⓘ |
| advantageOver 7.62×39mm |
better accuracy
ⓘ
flatter trajectory ⓘ |
| baseDiameter | 11.15 mm ⓘ |
| bulletDiameter | 6.71 mm ⓘ |
| caliber | 6.5 mm ⓘ |
| caseLength | 38.7 mm ⓘ |
| caseType | rimless bottleneck ⓘ |
| comparedTo | 5.56×45mm NATO NERFINISHED ⓘ |
| compatibleWith | STANAG AR-15 magazines (modified capacity) ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designedFor | AR-15–style rifles ⓘ |
| designedTo |
extend effective range
ⓘ
improve accuracy ⓘ maintain manageable recoil ⓘ |
| designer |
Arne Brennan
NERFINISHED
ⓘ
Bill Alexander NERFINISHED ⓘ Janne Pohjoispää NERFINISHED ⓘ |
| hasVariant |
6.5 Grendel Type I
ⓘ
6.5 Grendel Type II NERFINISHED ⓘ |
| introducedIn | 2003 ⓘ |
| marketedBy | Alexander Arms NERFINISHED ⓘ |
| maximumPressure | 52,000 psi ⓘ |
| neckDiameter | 7.44 mm ⓘ |
| optimizedFor | long-range performance from AR-15 platform ⓘ |
| overallLength | 57.5 mm ⓘ |
| parentCase |
.220 Russian
ⓘ
7.62×39mm ⓘ |
| rimDiameter | 11.20 mm ⓘ |
| shoulderDiameter | 9.00 mm ⓘ |
| standardBulletWeight |
100 gr
ⓘ
107 gr ⓘ 120 gr ⓘ 123 gr ⓘ 129 gr ⓘ 130 gr ⓘ 90 gr ⓘ |
| standardizedBy |
CIP
NERFINISHED
ⓘ
SAAMI NERFINISHED ⓘ |
| typicalUse |
hunting
ⓘ
tactical shooting ⓘ target shooting ⓘ |
| usedIn |
bolt-action rifles
ⓘ
semi-automatic rifles ⓘ |
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: 6.5 Grendel Description of subject: 6.5 Grendel is an intermediate rifle cartridge designed to extend the effective range and accuracy of AR-15–style rifles while maintaining manageable recoil.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.