Rimfire · SAAMI
.22 Long
The intermediate step between .22 Short and .22 LR — now largely obsolete but still produced for guns that don't cycle .22 LR..
- Caliber
- 0.2252″ · 5.72 mm
- Introduced
- 1871
- Case
- Rimfire
- Parent
- .22 Short
- Primary use
- Small Game, Pest Control
- Status
- Active
- Introduced
- 1871
- Type
- Rimfire
- Origin
- United States
- Inventor
- Various
- Manufacturer
- Various
- Standard
- SAAMI
- Status
- Active
- Availability
- Common
- Case capacity
- 2 gr H₂O
- Twist (typical)
- 1:16
- Primer
- Rimfire
- Case type
- Rimfire
- Max pressure
- 24,000 psi
- Eff. range
- 75 yd
- Max range
- 250 yd
- Recoil
- 0.2–0.5 ft·lb
- Subsonic
- Capable
Ballistics
- By real loads
- 710–1,250 fps · 18 loads
- Parent case
- .22 Short
Representative trajectory — modeled from a single velocity input (no published BC for this cartridge yet).
Performance
Buy links open .22 Long ammunition at Rivertown Munitions.
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 · approximate| 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 Long is highlighted below.
Factory loads
In production — 18 active loads across 11 brands. Top 15 shown · see all 20 →.
| Brand | Load | Grain | Bullet | FPS | ft·lb | BC |
|---|---|---|---|---|---|---|
| Remington | Cyclone | 29 | LHP | 1,250 | 101 | — |
| Remington | Thunderbolt | 29 | LRN | 1,240 | 99 | — |
| CCI | Long | 29 | LRN | 1,240 | 99 | — |
| Federal | Game-Shok | 29 | LRN | 1,240 | 99 | — |
| Aguila | Long | 29 | CPHP | 1,240 | 99 | — |
| Federal | Champion | 29 | LRN | 1,215 | 95 | — |
| RWS | Standard | 29 | LRN | 1,215 | 95 | — |
| Aguila | Standard | 29 | LRN | 1,215 | 95 | — |
| PRVI Partizan | PPU | 29 | LRN | 1,215 | 95 | — |
| Sellier & Bellot | Standard | 29 | LRN | 1,215 | 95 | — |
| Fiocchi | Shooting Dynamics | 29 | LRN | 1,215 | 95 | — |
| CCI | Standard | 29 | LRN | 1,215 | 95 | — |
| Eley | Standard | 29 | LRN | 1,215 | 95 | — |
| CCI | Long Rifle HP | 29 | HP | 1,215 | 95 | — |
| Eley | Long | 29 | LRN | 1,200 | 93 | — |
Velocities are manufacturer-stated (test-barrel). Discontinued loads dimmed.
Firearms chambered in .22 Long
12 models in the database chamber .22 Long. Browse all →
Lineage
Connected reference
History
Introduced in 1871 as a longer case version of the .22 Short. Uses the same bullet as .22 Short in a longer case for more powder and velocity. The .22 LR arrived in 1887 and made the .22 Long largely redundant.
FAQs
- What twist rate does .22 Long use?
- .22 Long typically uses a 1:16 twist rate.
- What bullet diameter is .22 Long?
- .22 Long uses a 0.2252″ (5.72 mm) diameter bullet.
- Is .22 Long still in production?
- .22 Long is active; typical availability is common.
- What is .22 Long used for?
- .22 Long is primarily used for small game, pest control.
- What is .22 Long based on?
- .22 Long is derived from the .22 Short case.
Sources & provenance
- StandardSAAMI — SAAMI cartridge & chamber drawing — .22 Longarchived
- StandardC.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 18 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →
Lindcott Armory