Rimfire · SAAMI standardized
.22 CB Long
Low-velocity rimfire cartridge firing a 29-grain bullet at around 710–800 fps.
- Caliber
- 0.2252″ · 5.72 mm
- Introduced
- 1888
- Case
- Rimfire
- Primary use
- Target/Competition
- Status
- Active
- Introduced
- 1888
- Type
- Rimfire
- Origin
- United States
- Inventor
- Various / American commercial
- Manufacturer
- CCI
- Standard
- SAAMI standardized
- Status
- Active
- Availability
- Specialty
- Case capacity
- 1.5 gr H₂O
- Twist (typical)
- 1:16
- Primer
- Rimfire
- Case type
- Rimfire
- Max pressure
- 6,000 psi
- Eff. range
- 50 yd
- Recoil
- 0.1–0.3 ft·lb
- Subsonic
- Capable
Introduced by CCI
Ballistics
Published velocity/energy data isn't available for .22 CB Long.
Performance
Dimensionscase measurements · scale drawing · size vs familiar rounds
Case dimensions — the scale drawing at the top of the page is built from these.
CIP TDCC · secondary source| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 5.72 | 0.225 | · |
| Neck ⌀ | 5.72 | 0.225 | · |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | 5.74 | 0.226 | · |
| Rim ⌀ | 7.06 | 0.278 | · |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.09 | 0.043 | · |
| Neck length | n/a | ||
| Case length | 15.57 | 0.613 | · |
| Overall length | 22.56 | 0.888 | ~ |
Size vs familiar rounds
Drawn at true 1:1 — every case is accurate relative to the others. Absolute size depends on your screen's pixel density, so measuring one against a real ruler may be off. .22 CB Long is highlighted below.
Factory loads
Being verified
Advertised FPS, energy, and BC are withheld until loads clear verification.
Connected reference
History
A variant of the .22 CB Cap designed with a longer case than the standard .22 CB Cap. Used the same priming compound as ignition with no additional powder. Primarily used for quiet indoor practice and pest control in urban environments.
FAQs
- What twist rate does .22 CB Long use?
- .22 CB Long typically uses a 1:16 twist rate.
- What bullet diameter is .22 CB Long?
- .22 CB Long uses a 0.2252″ (5.72 mm) diameter bullet.
- Is .22 CB Long still in production?
- .22 CB Long is active; typical availability is specialty.
- What is .22 CB Long used for?
- .22 CB Long is primarily used for target/competition.
Sources & provenance
- Standard SAAMI — SAAMI cartridge & chamber drawing — .22 CB Long
- Standard C.I.P. — C.I.P. TDCC — Tables of Dimensions of Cartridges and Chambers
Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 10 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →