Centerfire Rifle · CIP · Not SAAMI standardized · CIP standardizedObsolete
7x61mm Sharpe & Hart
Designed by firearms writer P.O.
- Caliber
- 0.284″ · 7.214 mm
- Introduced
- 1953
- Case
- Belted
- Parent
- .300 H&H Magnum
- Primary use
- Hunting
- Status
- Discontinued
- Obsolete
- Obsolete
- Introduced
- 1953
- Type
- Centerfire Rifle
- Origin
- United States
- Inventor
- P.O. Sharpe and G.H. Hart
- Manufacturer
- Norma
- Standard
- CIP · Not SAAMI standardized · CIP standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Discontinued
- Availability
- Collector
- Case capacity
- 74.6 gr H₂O
- Twist (typical)
- 1:9
- Primer
- Large Rifle Magnum
- Case type
- Belted
- Max pressure
- 58,740 psi, CIP transducer
- Eff. range
- 400 yd
- Max range
- 4950 yd
- Recoil
- 22.7–26.8 ft·lb
Introduced by Norma
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for 7x61mm Sharpe & Hart, 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
- .300 H&H Magnum
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 ⌀ | 7.21 | 0.284 | ✓ |
| Neck ⌀ | 8.10 | 0.319 | ✓ |
| Shoulder ⌀ | 11.91 | 0.469 | ✓ |
| Shoulder angle | 36.3° | — | ~ |
| Base ⌀ | 13.03 | 0.513 | ✓ |
| Rim ⌀ | 13.51 | 0.532 | ✓ |
| Belt ⌀ | 13.51 | 0.532 | ✓ |
| Rim thickness | 1.02 | 0.040 | ~ |
| Neck length | 8.15 | 0.321 | ≈ |
| Case length | 61.00 | 2.402 | ✓ |
| Overall length | 83.06 | 3.270 | ✓ |
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. 7x61mm Sharpe & Hart is highlighted below.
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
The 7x61mm Sharpe & Hart was introduced in 1953 by P.O. Sharpe and G.H. Hart, based on the .300 H&H Magnum case (United States).
FAQs
- What twist rate does 7x61mm Sharpe & Hart use?
- 7x61mm Sharpe & Hart typically uses a 1:9 twist rate.
- What bullet diameter is 7x61mm Sharpe & Hart?
- 7x61mm Sharpe & Hart uses a 0.284″ (7.214 mm) diameter bullet.
- Is 7x61mm Sharpe & Hart still in production?
- 7x61mm Sharpe & Hart is discontinued; typical availability is collector.
- What is 7x61mm Sharpe & Hart used for?
- 7x61mm Sharpe & Hart is primarily used for hunting.
- What is 7x61mm Sharpe & Hart based on?
- 7x61mm Sharpe & Hart is derived from the .300 H&H Magnum case.
Sources & provenance
- Manufacturer Hornady — Hornady Obsolete Load Data — 7x61mm Sharpe & Hart · grain weights, velocity, bullet ⌀ archived
- Reference Gun Digest Books (Krause) — Cartridges of the World · year, bullet ⌀
- Secondary Wolfe Publishing (LoadData.com) — Notes from the Lab: 7x61 Sharpe and Hart Super · grain weights, year, velocity 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 →
