Rifle · Not SAAMI standardized · Not standardizedObsolete
.43 Egyptian (11.43x50mmR)
.43 Egyptian (11.43x50mmR) is a rimmed bottlenecked rifle cartridge of United States origin.
- Caliber
- 0.448″ · 11.379 mm
- Introduced
- 1866
- Case
- Rimmed
- Primary use
- Hunting
- Status
- Obsolete
- Obsolete
- Obsolete
- Introduced
- 1866
- Type
- Rifle
- Origin
- United States
- Inventor
- United States military ordnance (approx)
- Manufacturer
- Remington (for Egyptian contract)
- Standard
- Not SAAMI standardized · Not standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Obsolete
- Availability
- Collector
- Case capacity
- 76.7 gr H₂O
- Twist (typical)
- 1:18
- Primer
- Berdan
- Case type
- Rimmed
- Max pressure
- 18,000 CUP, SAAMI crusher
- Eff. range
- 150 yd
- Max range
- 750 yd
- Recoil
- 12.5–13.5 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .43 Egyptian (11.43x50mmR), so this is the shape gravity alone gives the advertised velocity. Drag would steepen it. The tool below solves real loads through their published G1 or G7 model.
Open in Ballistic Compare- 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.
Wikipedia · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 11.38 | 0.448 | · |
| Neck ⌀ | 12.29 | 0.484 | · |
| Shoulder ⌀ | 13.60 | 0.535 | · |
| Shoulder angle | 15° | — | |
| Base ⌀ | 13.94 | 0.549 | |
| Rim ⌀ | 16.00 | 0.630 | · |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.84 | 0.072 | |
| Neck length | 7.98 | 0.314 | |
| Case length | 49.20 | 1.937 | · |
| Overall length | 65.00 | 2.559 | · |
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. .43 Egyptian (11.43x50mmR) is highlighted below.
Missing a dimension for .43 Egyptian (11.43x50mmR)? Some case measurements aren't in a published SAAMI/CIP drawing yet. Have a factory or reamer print? Send it → — verified hard-to-find data earns a free Lindcott sticker.
Reloading costestimate cost per round vs factory
Estimate your cost per round and how it compares to factory. Inputs are yours — nothing is stored.
Cost estimate only — not load data. Charge weight is your input; follow published manuals for safe charges.
Firearms chambered in .43 Egyptian (11.43x50mmR)
Connected reference
History
Introduced around 1866.
FAQs
- What twist rate does .43 Egyptian (11.43x50mmR) use?
- .43 Egyptian (11.43x50mmR) typically uses a 1:18 twist rate.
- What bullet diameter is .43 Egyptian (11.43x50mmR)?
- .43 Egyptian (11.43x50mmR) uses a 0.448″ (11.379 mm) diameter bullet.
- Is .43 Egyptian (11.43x50mmR) still in production?
- .43 Egyptian (11.43x50mmR) is obsolete; typical availability is collector.
- What is .43 Egyptian (11.43x50mmR) used for?
- .43 Egyptian (11.43x50mmR) is primarily used for hunting.
Sources & provenance
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →
