Rifle · CIP
.303 Sporting
.303 Sporting is a rimmed bottlenecked rifle cartridge of France origin.
- Caliber
- 0.3118″ · 7.92 mm
- Introduced
- 2000
- Case
- Rimmed
- Parent
- .30-40 Krag
- Primary use
- Hunting
- Status
- Active
- Introduced
- 2000
- Type
- Rifle
- Origin
- France
- Inventor
- Gévelot (SFM) (approx: maker of record)
- Manufacturer
- Gévelot (SFM)
- Standard
- CIP
- Status
- Active
- Availability
- Limited
- Case capacity
- 52.3 gr H₂O
- Twist (typical)
- 1:10.0
- Primer
- Large Rifle
- Case type
- Rimmed
- Max pressure
- 47,863 psi, CIP transducer
- Eff. range
- 300 yd
- Max range
- 1500 yd
- Recoil
- 13–14.9 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .303 Sporting, 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
- .30-40 Krag
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.
CIP TDCC · verified| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 7.92 | 0.312 | ✓ |
| Neck ⌀ | 8.64 | 0.340 | ✓ |
| Shoulder ⌀ | 10.19 | 0.401 | ✓ |
| Shoulder angle | 17° | — | ≈ |
| Base ⌀ | 11.70 | 0.461 | ✓ |
| Rim ⌀ | 13.92 | 0.548 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.63 | 0.064 | ✓ |
| Neck length | 8.43 | 0.332 | ≈ |
| Case length | 52.82 | 2.080 | ✓ |
| Overall length | 74.49 | 2.933 | ✓ |
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. .303 Sporting 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
Introduced around 2000.
FAQs
- What twist rate does .303 Sporting use?
- .303 Sporting typically uses a 1:10.0 twist rate.
- What bullet diameter is .303 Sporting?
- .303 Sporting uses a 0.3118″ (7.92 mm) diameter bullet.
- Is .303 Sporting still in production?
- .303 Sporting is active; typical availability is limited.
- What is .303 Sporting used for?
- .303 Sporting is primarily used for hunting.
- What is .303 Sporting based on?
- .303 Sporting is derived from the .30-40 Krag case.
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 →
