.300 AAC Blackout
E713950
.300 AAC Blackout is an intermediate rifle cartridge developed for the AR-15 platform, designed to offer improved performance in short barrels and with both supersonic and subsonic loads, particularly when used with suppressors.
All labels observed (1)
| Label | Occurrences |
|---|---|
| .300 AAC Blackout canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T8130982 — 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: .300 AAC Blackout Context triple: [AR-15 pattern rifles, supportsCaliber, .300 AAC Blackout]
-
A.
5.56×45mm NATO
The 5.56×45mm NATO is a standard intermediate rifle cartridge widely used by NATO forces and many militaries worldwide in assault rifles and light machine guns.
-
B.
.30-06 Springfield
The .30-06 Springfield is a powerful and historically significant American rifle cartridge widely used in both military service and civilian hunting and target shooting throughout the 20th century.
-
C.
A33 Winchester bypass
The A33 Winchester bypass was a former section of the A33 road that diverted traffic around the city of Winchester in Hampshire, England, before being superseded by the M3 motorway.
-
D.
M4 carbine
The M4 carbine is a lightweight, gas-operated, magazine-fed 5.56×45mm NATO assault rifle widely used by modern military forces, particularly the U.S. armed forces.
-
E.
P30 pistol
The P30 pistol is a modern, polymer-framed, semi-automatic handgun designed by Heckler & Koch for law enforcement, military, and civilian use, known for its ergonomic grip and modular features.
- 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: .300 AAC Blackout Target entity description: .300 AAC Blackout is an intermediate rifle cartridge developed for the AR-15 platform, designed to offer improved performance in short barrels and with both supersonic and subsonic loads, particularly when used with suppressors.
-
A.
5.56×45mm NATO
The 5.56×45mm NATO is a standard intermediate rifle cartridge widely used by NATO forces and many militaries worldwide in assault rifles and light machine guns.
-
B.
.30-06 Springfield
The .30-06 Springfield is a powerful and historically significant American rifle cartridge widely used in both military service and civilian hunting and target shooting throughout the 20th century.
-
C.
A33 Winchester bypass
The A33 Winchester bypass was a former section of the A33 road that diverted traffic around the city of Winchester in Hampshire, England, before being superseded by the M3 motorway.
-
D.
M4 carbine
The M4 carbine is a lightweight, gas-operated, magazine-fed 5.56×45mm NATO assault rifle widely used by modern military forces, particularly the U.S. armed forces.
-
E.
P30 pistol
The P30 pistol is a modern, polymer-framed, semi-automatic handgun designed by Heckler & Koch for law enforcement, military, and civilian use, known for its ergonomic grip and modular features.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
centerfire rifle cartridge
ⓘ
intermediate cartridge ⓘ rifle cartridge ⓘ |
| alsoKnownAs |
.300 BLK
ⓘ
7.62×35mm ⓘ |
| bulletDiameter |
.308 in
ⓘ
7.82 mm ⓘ |
| caseLength |
1.368 in
ⓘ
34.7 mm ⓘ |
| caseType |
bottleneck
ⓘ
rimless ⓘ |
| category | intermediate rifle cartridge ⓘ |
| commercialDesignation | .300 AAC Blackout ⓘ |
| compatibleWith |
standard AR-15 bolts
ⓘ
standard AR-15 magazines ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| designedFor | short-barreled rifles ⓘ |
| designedForPlatform |
AR-15
ⓘ
linked to:
AR-15 pattern rifles
|
| designedToMatch | 7.62×39mm ballistics in AR-15 platform ⓘ |
| designedYear | 2009 ⓘ |
| developer |
Advanced Armament Corporation
ⓘ
Remington Defense ⓘ
linked to:
Remington Arms
|
| intendedUse |
civilian sporting
ⓘ
home defense ⓘ hunting ⓘ law enforcement ⓘ military ⓘ |
| introducedYear | 2010 ⓘ |
| militaryDesignation | 7.62×35mm ⓘ |
| notableFeature |
effective subsonic performance
ⓘ
good performance from short barrels ⓘ reduced muzzle blast with suppressor ⓘ |
| optimizedFor | use with sound suppressors ⓘ |
| overallLength |
2.26 in
ⓘ
57.0 mm ⓘ |
| parentCase |
.223 Remington
ⓘ
5.56×45mm NATO ⓘ |
| pressureStandard | SAAMI maximum average pressure 55,000 psi ⓘ |
| requiresChangeFrom5.56 | barrel only ⓘ |
| standardizationYear | 2011 ⓘ |
| standardizedBy | SAAMI ⓘ |
| supportsLoadType |
subsonic
ⓘ
supersonic ⓘ |
| typicalSubsonicBulletWeight | 190–220 grains ⓘ |
| typicalSupersonicBulletWeight | 110–125 grains ⓘ |
| usedIn |
AR-15 pattern rifles
ⓘ
bolt-action rifles ⓘ pistols based on AR-15 platform ⓘ |
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: .300 AAC Blackout Description of subject: .300 AAC Blackout is an intermediate rifle cartridge developed for the AR-15 platform, designed to offer improved performance in short barrels and with both supersonic and subsonic loads, particularly when used with suppressors.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.