Rifle · CIP
8mm-348 Winchester
The 8mm-348 Winchester is a French rimmed bottleneck cartridge made by necking the .348 Winchester case to 8.2 mm, used to rechamber Lebel-family rifles for hunting.
- Caliber
- 0.3236″ · 8.22 mm
- Introduced
- 1999
- Case
- Rimmed
- Parent
- .348 Winchester
- Primary use
- Hunting
- Status
- Limited
- Introduced
- 1999
- Type
- Rifle
- Origin
- France
- Inventor
- Winchester (approx: name-implied maker)
- Manufacturer
- Gévelot (SFM)
- Standard
- CIP
- Status
- Limited
- Availability
- Rare
- Case capacity
- 78.5 gr H₂O
- Twist (typical)
- 1:9.4
- Primer
- Boxer Small Rifle
- Case type
- Rimmed
- Max pressure
- 43,511 psi, CIP transducer
- Eff. range
- 400 yd
- Max range
- 4650 yd
- Recoil
- 13–17 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for 8mm-348 Winchester, 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
- .348 Winchester
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 · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 8.22 | 0.324 | ✓ |
| Neck ⌀ | 8.88 | 0.350 | ✓ |
| Shoulder ⌀ | 13.05 | 0.514 | |
| Shoulder angle | 22.8° | — | |
| Base ⌀ | 14.05 | 0.553 | ✓ |
| Rim ⌀ | 15.49 | 0.610 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.78 | 0.070 | ✓ |
| Neck length | 10.40 | 0.409 | ≈ |
| Case length | 57.28 | 2.255 | ✓ |
| Overall length | 82.00 | 3.228 | ✓ |
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. 8mm-348 Winchester is highlighted below.
Missing a dimension for 8mm-348 Winchester? 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
Registered with C.I.P. in 1999 (France).
FAQs
- What twist rate does 8mm-348 Winchester use?
- 8mm-348 Winchester typically uses a 1:9.4 twist rate.
- What bullet diameter is 8mm-348 Winchester?
- 8mm-348 Winchester uses a 0.3236″ (8.22 mm) diameter bullet.
- Is 8mm-348 Winchester still in production?
- 8mm-348 Winchester is limited; typical availability is rare.
- What is 8mm-348 Winchester used for?
- 8mm-348 Winchester is primarily used for hunting.
- What is 8mm-348 Winchester based on?
- 8mm-348 Winchester is derived from the .348 Winchester 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 →
