Rifle · Obsolete
.22 Remington Automatic
Proprietary rimfire cartridge developed by Remington specifically for their Model 16 semi-automatic rifle.
- Caliber
- 0.223″ · 5.664 mm
- Introduced
- 1914
- Case
- Rimfire
- Primary use
- Small Game, Target
- Status
- Discontinued
- Introduced
- 1914
- Type
- Rifle
- Origin
- United States
- Inventor
- Remington
- Manufacturer
- Remington Arms
- Standard
- Obsolete
- Status
- Discontinued
- Availability
- Collector
- Case capacity
- 8.5 gr H₂O
- Twist (typical)
- 1:16
- Primer
- Rimfire
- Case type
- Rimfire
- Max pressure
- 23,000 psi
- Eff. range
- 50 yd
- Max range
- 150 yd
- Recoil
- 0.2–0.4 ft·lb
- Subsonic
- Capable
Introduced by Remington Arms
Ballistics
Published velocity/energy data isn't available for .22 Remington Automatic — an obsolete/collector cartridge.
Performance
Dimensionscase measurements · scale drawing · size vs familiar rounds
Case dimensions — the scale drawing at the top of the page is built from these.
SAAMI · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 5.66 | 0.223 | · |
| Neck ⌀ | 6.22 | 0.245 | · |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | 6.22 | 0.245 | · |
| Rim ⌀ | 7.37 | 0.290 | · |
| Belt ⌀ | n/a | ||
| Rim thickness | — | — | |
| Neck length | n/a | ||
| Case length | 16.84 | 0.663 | ~ |
| Overall length | 23.37 | 0.920 | · |
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 Remington Automatic is highlighted below.
Factory loads
Being verified
Advertised FPS, energy, and BC are withheld until loads clear verification.
Connected reference
History
Introduced in 1914 for the Remington Model 16 semi-automatic rifle. The deliberate dimensional difference from .22 LR was a safety feature. The Model 16 sold modestly but the proprietary cartridge limited its appeal, and both were discontinued before WWII.
FAQs
- What twist rate does .22 Remington Automatic use?
- .22 Remington Automatic typically uses a 1:16 twist rate.
- What bullet diameter is .22 Remington Automatic?
- .22 Remington Automatic uses a 0.223″ (5.664 mm) diameter bullet.
- Is .22 Remington Automatic still in production?
- .22 Remington Automatic is discontinued; typical availability is collector.
- What is .22 Remington Automatic used for?
- .22 Remington Automatic is primarily used for small game, target.
Sources & provenance
Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 3 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →