Rifle · CIP
6.5x63mm Messner Magnum
6.5x63mm Messner Magnum is a rimless bottlenecked rifle cartridge of France origin.
- Caliber
- 0.2642″ · 6.71 mm
- Introduced
- 2002
- Case
- Rimless
- Parent
- 9x25mm Mauser Export
- Primary use
- Hunting
- Status
- Active
- Introduced
- 2002
- Type
- Rifle
- Origin
- France
- Inventor
- Messner
- Manufacturer
- Messner
- Standard
- CIP
- Status
- Active
- Availability
- Limited
- Case capacity
- 83.5 gr H₂O
- Twist (typical)
- 1:7.9
- Primer
- Large Rifle Magnum
- Case type
- Rimless
- Max pressure
- 63,817 psi, CIP transducer
- Eff. range
- 400 yd
- Max range
- 2000 yd
- Recoil
- 17.7–20 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for 6.5x63mm Messner Magnum, 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
- 9x25mm Mauser Export
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 ⌀ | 6.71 | 0.264 | ✓ |
| Neck ⌀ | 7.52 | 0.296 | ✓ |
| Shoulder ⌀ | 12.40 | 0.488 | ✓ |
| Shoulder angle | 29° | — | ≈ |
| Base ⌀ | 12.85 | 0.506 | ✓ |
| Rim ⌀ | 12.63 | 0.497 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.30 | 0.051 | ✓ |
| Neck length | 7.04 | 0.277 | ≈ |
| Case length | 63.00 | 2.480 | ✓ |
| Overall length | 84.50 | 3.327 | ✓ |
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. 6.5x63mm Messner Magnum 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 2002 by Messner.
FAQs
- What twist rate does 6.5x63mm Messner Magnum use?
- 6.5x63mm Messner Magnum typically uses a 1:7.9 twist rate.
- What bullet diameter is 6.5x63mm Messner Magnum?
- 6.5x63mm Messner Magnum uses a 0.2642″ (6.71 mm) diameter bullet.
- Is 6.5x63mm Messner Magnum still in production?
- 6.5x63mm Messner Magnum is active; typical availability is limited.
- What is 6.5x63mm Messner Magnum used for?
- 6.5x63mm Messner Magnum is primarily used for hunting.
- What is 6.5x63mm Messner Magnum based on?
- 6.5x63mm Messner Magnum is derived from the 9x25mm Mauser Export 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 →
