Rifle · Experimental
.276 Enfield
British experimental service cartridge developed with the Pattern 1913 Enfield rifle..
- Caliber
- 0.282″ · 7.163 mm
- Introduced
- 1910
- Case
- Rimless
- Primary use
- Experimental, Military
- Status
- Obsolete
- Introduced
- 1910
- Type
- Rifle
- Origin
- United Kingdom
- Standard
- Experimental
- Status
- Obsolete
- Availability
- Collector
- Primer
- Large Rifle
- Case type
- Rimless
- Eff. range
- 800 yd
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .276 Enfield, 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.
SAAMI · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 7.16 | 0.282 | · |
| Neck ⌀ | 8.20 | 0.323 | · |
| Shoulder ⌀ | 11.68 | 0.460 | · |
| Shoulder angle | — | — | |
| Base ⌀ | 13.41 | 0.528 | · |
| Rim ⌀ | 13.13 | 0.517 | · |
| Belt ⌀ | n/a | ||
| Rim thickness | — | — | |
| Neck length | — | — | |
| Case length | 59.69 | 2.350 | · |
| Overall length | 82.04 | 3.230 | · |
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. .276 Enfield is highlighted below.
Missing a dimension for .276 Enfield? 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
Development work ~1910, designed 1912, ~1,000 P13 rifles trialed 1913; abandoned Aug 1914 at the outbreak of WWI.
FAQs
- What bullet diameter is .276 Enfield?
- .276 Enfield uses a 0.282″ (7.163 mm) diameter bullet.
- Is .276 Enfield still in production?
- .276 Enfield is obsolete; typical availability is collector.
- What is .276 Enfield used for?
- .276 Enfield is primarily used for experimental, military.
Sources & provenance
- Reference Cox & Wyman (London) — The Lee-Enfield Rifle — Major E. G. B. Reynolds (1960) · velocity, grain weights
- Secondary Forgotten Weapons — RIA: Pattern 1913 Enfield Trials Rifle · velocity, grain weights archived
- Secondary Vintage & Collectable Arms (VGCA) — The UK Pattern 1913, Pattern 1914, and the US Model of 1917 (2014) · year archived
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →