Lindcott Armory Rifle · Proprietary
.600/577 Nitro Express
Transitional British Nitro Express cartridge bridging the .577 and .600 NE, used in early high-power double rifles..
- Caliber
- 0.584″ · 14.834 mm
- Introduced
- 1900
- Case
- Rimmed
- Parent
- .600 Nitro Express
- Status
- Discontinued
- Introduced
- 1900
- Type
- Rifle
- Origin
- United Kingdom
- Inventor
- Various British
- Standard
- Proprietary
- Status
- Discontinued
- Availability
- Rare
- Primer
- Boxer Large Rifle
- Case type
- Rimmed
- Max pressure
- 35,515 psi
- Eff. range
- 100 yd
Ballistics
- Parent case
- .600 Nitro Express
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 ⌀ | 14.83 | 0.584 | ~ |
| Neck ⌀ | 15.57 | 0.613 | · |
| Shoulder ⌀ | 16.41 | 0.646 | · |
| Shoulder angle | — | — | |
| Base ⌀ | 17.70 | 0.697 | · |
| Rim ⌀ | 20.45 | 0.805 | · |
| Belt ⌀ | n/a | ||
| Rim thickness | — | — | |
| Neck length | — | — | |
| Case length | 76.20 | 3.000 | · |
| Overall length | 97.28 | 3.830 | ~ |
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. .600/577 Nitro Express is highlighted below.
Missing a dimension for .600/577 Nitro Express? 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.
Lineage
Connected reference
History
An early transitional cartridge from the development period of Nitro Express cartridges, the .600/577 NE used the enormous .600 NE case necked down to .577 caliber. It predates the standardization of the .600 NE as the definitive large-bore Nitro Express and is rare; encountered mainly in early 20th-century double rifles.
FAQs
- What bullet diameter is .600/577 Nitro Express?
- .600/577 Nitro Express uses a 0.584″ (14.834 mm) diameter bullet.
- Is .600/577 Nitro Express still in production?
- .600/577 Nitro Express is discontinued; typical availability is rare.
- What is .600/577 Nitro Express based on?
- .600/577 Nitro Express is derived from the .600 NE (necked) case.
Sources & provenance
- StandardC.I.P. — TDCC Tab II — 577 N.E. 3" (nitro sibling, same bore) · bullet ⌀archived
- SecondaryWikipedia — .600/577 Rewa · bullet ⌀, velocity, grain weightsarchived
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →