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
- 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
Ballistics
- Parent case
- —
Representative trajectory — modeled from a single velocity input (no published BC for this cartridge yet).
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
In production — 3 active loads across 3 brands. Top 15 shown · see all 20 →.
| Brand | Load | Grain | Bullet | FPS | ft·lb | BC |
|---|---|---|---|---|---|---|
| CCI | Lead RN | 45 | Lead RN | 950 | 90 | — |
| Aguila | Lead RN | 45 | Lead RN | 950 | 90 | — |
| Sellier & Bellot | Lead RN | 45 | Lead RN | 950 | 90 | — |
| Remington | Standard | 40 | LRN | 1,075 | 103 | — |
| Winchester | Standard | 40 | LRN | 1,075 | 103 | — |
| Norma | Classic | 45 | Lead Round Nose | 1,000 | 100 | — |
| Buffalo Arms | Custom | 45 | Lead Round Nose | 1,000 | 100 | — |
| Kynoch | Classic | 45 | Lead Round Nose | 1,000 | 100 | — |
| Hirtenberger | HP Classic | 45 | Lead RN | 1,000 | 100 | — |
| Lapua | Lapua Standard | 45 | Lead RN | 1,000 | 100 | — |
| RWS | Classic | 45 | Lead Round Nose | 1,000 | 100 | — |
| RWS | RWS Classic | 45 | Lead RN | 1,000 | 100 | — |
| Federal | Federal Standard | 45 | Lead RN | 1,000 | 100 | — |
| PPU | Standard | 45 | Lead Round Nose | 1,000 | 100 | — |
| Eley | Eley Standard | 45 | Lead RN | 1,000 | 100 | — |
Velocities are manufacturer-stated (test-barrel). Discontinued loads dimmed.
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 →
Lindcott Armory