Rifle · SAAMI · Not SAAMI standardized · Not standardizedObsolete
.577 Snider
The British Army's conversion from muzzle-loader to breech-loader.
- Caliber
- 0.57″ · 14.478 mm
- Introduced
- 1866
- Case
- Rimmed
- Primary use
- Military (Historical)
- Status
- Active
- Obsolete
- Obsolete
- Introduced
- 1866
- Type
- Rifle
- Origin
- United Kingdom
- Inventor
- Jacob Snider (rifle) / Edward M. Boxer (cartridge)
- Manufacturer
- British Military
- Standard
- SAAMI · Not SAAMI standardized · Not standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Active
- Availability
- Common
- Case capacity
- 110 gr H₂O
- Twist (typical)
- 1:72
- Primer
- Large Rifle
- Case type
- Rimmed
- Max pressure
- 15,000 psi, SAAMI transducer
- Eff. range
- 400 yd
- Max range
- 2700 yd
- Recoil
- 25–38 ft·lb
- Subsonic
- Capable
Ballistics
Published velocity/energy data isn't available for .577 Snider.
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 ⌀ | 14.48 | 0.570 | · |
| Neck ⌀ | 15.29 | 0.602 | · |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | 16.76 | 0.660 | · |
| Rim ⌀ | 18.97 | 0.747 | ~ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.65 | 0.065 | · |
| Neck length | n/a | ||
| Case length | 50.80 | 2.000 | · |
| Overall length | 62.23 | 2.450 | · |
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. .577 Snider is highlighted below.
Factory loads
Being verified
Advertised FPS, energy, and BC are withheld until loads clear verification.
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 .577 Snider
Lineage
History
Jacob Snider's breech conversion won a British Army competition in 1866. It converted the massive stockpile of Pattern 1853 Enfields by hinging the breech open for loading. The British Army adopted it as an emergency measure while developing the Martini-Henry. Used in the Abyssinian Expedition and early Zulu conflicts.
FAQs
- What twist rate does .577 Snider use?
- .577 Snider typically uses a 1:72 twist rate.
- What bullet diameter is .577 Snider?
- .577 Snider uses a 0.57″ (14.478 mm) diameter bullet.
- Is .577 Snider still in production?
- .577 Snider is active; typical availability is common.
- What is .577 Snider used for?
- .577 Snider is primarily used for military (historical).
Sources & provenance
Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 5 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →
