Rifle · Not SAAMI standardized · Not standardizedObsolete
6.5x25mm CBJ
6.5x25mm CBJ is a rimless bottlenecked rifle cartridge of Sweden origin.
- Caliber
- 0.157″ · 3.988 mm
- Introduced
- 1902
- Case
- Rimless
- Parent
- 9mm Luger
- Primary use
- Hunting
- Status
- Discontinued
- Obsolete
- Obsolete
- Introduced
- 1902
- Type
- Rifle
- Origin
- Sweden
- Inventor
- CBJ Tech AB
- Manufacturer
- CBJ Tech AB
- Standard
- Not SAAMI standardized · Not standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Discontinued
- Availability
- Rare
- Case capacity
- 12.7 gr H₂O
- Twist (typical)
- 1:9
- Primer
- Small Pistol
- Case type
- Rimless
- Max pressure
- 18,000 psi, CIP transducer
- Eff. range
- 400 yd
- Max range
- 2000 yd
- Recoil
- 0.3–0.4 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for 6.5x25mm CBJ, 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
- 9mm Luger
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.
Dimensions · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 3.99 | 0.157 | · |
| Neck ⌀ | 4.38 | 0.172 | |
| Shoulder ⌀ | 9.41 | 0.370 | |
| Shoulder angle | 23° | — | |
| Base ⌀ | 9.93 | 0.391 | |
| Rim ⌀ | 9.96 | 0.392 | |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.27 | 0.050 | |
| Neck length | 4.12 | 0.162 | |
| Case length | 25.00 | 0.984 | |
| Overall length | 29.69 | 1.169 | · |
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. 6.5x25mm CBJ is highlighted below.
Missing a dimension for 6.5x25mm CBJ? 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
derived from the 9mm Luger.
FAQs
- What twist rate does 6.5x25mm CBJ use?
- 6.5x25mm CBJ typically uses a 1:9 twist rate.
- What bullet diameter is 6.5x25mm CBJ?
- 6.5x25mm CBJ uses a 0.157″ (3.988 mm) diameter bullet.
- Is 6.5x25mm CBJ still in production?
- 6.5x25mm CBJ is discontinued; typical availability is rare.
- What is 6.5x25mm CBJ used for?
- 6.5x25mm CBJ is primarily used for hunting.
- What is 6.5x25mm CBJ based on?
- 6.5x25mm CBJ is derived from the 9mm Luger 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 →
