Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

.22 BB

.22 BB Cap (Bulleted Breech Cap), also known as the 6 mm Flobert, is a variety of .22 caliber rimfire ammunition. Invented by Louis-Nicolas Flobert in 1845, it was the first rimfire metallic cartridge. The .22 BB Cap and .22 CB Cap are interchangeable and are relatively quiet, low velocity cartridges, designed for indoor target shooting with gallery guns.

History, Art & Measurement

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around .22 BB. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Base diameter
.224 in (5.7 mm)
Bullet diameter
.223 in (5.7 mm)
Bullet mass/type
Bullet mass/type Velocity Energy 20 gr (1 g) rn 780 ft/s (240 m/s) 26 ft⋅lbf (35 J) 18 gr (1 g) rn 780 ft/s (240 m/s) 24 ft⋅lbf (33 J) 16 gr (1 g) rn 750 ft/s (230 m/s) 20 ft⋅lb…
Case length
.284 in (7.2 mm)
Case type
Rimmed, straight
Designed
1845

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

History

Description

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

.22 BB

Nodes14
Edges13
Triples41
Avg. degree1.86
Density0.142857
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

.22 BB

Top relations

related to history · 10
.22 BB → BB Cap, CB Cap, Flobert, Flobert Short, Frenchman Louis-Nicolas Flobert, His, In Europe, Known, Randz Court, Usually
related to Description · 7
.22 BB → BB Cap, CB Cap, Developed, It, More, These, This
related to Specifications · 7
.22 BB → BB Cap, Bullet, Case, CB Cap, Long, Muzzle, Short
Base diameter · 1
.22 BB → .224 in (5.7 mm)
Bullet diameter · 1
.22 BB → .223 in (5.7 mm)
Bullet mass/type · 1
.22 BB → Bullet mass/type Velocity Energy 20 gr (1 g) rn 780 ft/s (240 m/s) 26 ft⋅lbf (35 J) 18 gr (1 g) rn 780 ft/s (240 m/s) 24 ft⋅lbf (33 J) 16 gr (1 g) rn 750 ft/s (230 m/s) 20 ft⋅lb…
Case length · 1
.22 BB → .284 in (7.2 mm)
Case type · 1
.22 BB → Rimmed, straight
Designed · 1
.22 BB → 1845
Designer · 1
.22 BB → Louis-Nicolas Flobert

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

cap 22 flobert cartridge bb rimfire mm velocity cb indoor shooting bullet louis-nicolas 1845 cartridges designed first guns also rifle

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
.22 BBBase diameter.224 in (5.7 mm)1.00infobox
.22 BBBullet diameter.223 in (5.7 mm)1.00infobox
.22 BBBullet mass/typeBullet mass/type Velocity Energy 20 gr (1 g) rn 780 ft/s (240 m/s) 26 ft⋅lbf (35 J) 18 gr (1 g) rn 780 ft/s (240 m/s) 24 ft⋅lbf (33 J) 16 gr (1 g) rn 750 ft/s (230 m/s) 20 ft⋅lb…1.00infobox
.22 BBCase length.284 in (7.2 mm)1.00infobox
.22 BBCase typeRimmed, straight1.00infobox
.22 BBDesigned18451.00infobox
.22 BBDesignerLouis-Nicolas Flobert1.00infobox
.22 BBMaximum pressure5,000–8,000 psi (34.47–55.16 MPa)1.00infobox
.22 BBNeck diameter.224 in (5.7 mm)1.00infobox
.22 BBOverall length.343 in (8.7 mm)1.00infobox
.22 BBParent caseTapered percussion cap1.00infobox
.22 BBPlace of originFrance1.00infobox
.22 BBPrimer typeRimfire1.00infobox
.22 BBProduced1845–present1.00infobox
.22 BBRim diameter.270 in (6.9 mm)1.00infobox
.22 BBRim thickness.040 in (1.0 mm)1.00infobox
.22 BBTypeRifle1.00infobox

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.