Rifle · CIP
6x52mmR BB2
6x52mmR BB2 is a rimmed bottlenecked rifle cartridge of Germany origin.
- Caliber
- 0.2429″ · 6.17 mm
- Introduced
- 2005
- Case
- Rimmed
- Parent
- .22 Savage Hi-Power
- Primary use
- Hunting
- Status
- Active
- Introduced
- 2005
- Type
- Rifle
- Origin
- Germany
- Inventor
- Bernd Bretschneider
- Manufacturer
- Bernd Bretschneider
- Standard
- CIP
- Status
- Active
- Availability
- Limited
- Case capacity
- 40.7 gr H₂O
- Twist (typical)
- 1:10.0
- Primer
- Large Rifle
- Case type
- Rimmed
- Max pressure
- 47,863 psi, CIP transducer
- Eff. range
- 400 yd
- Max range
- 2000 yd
- Recoil
- 6.9–7.6 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for 6x52mmR BB2, 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
- .22 Savage Hi-Power
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 ⌀ | 6.17 | 0.243 | ✓ |
| Neck ⌀ | 6.88 | 0.271 | ✓ |
| Shoulder ⌀ | 9.20 | 0.362 | ✓ |
| Shoulder angle | 18° | — | ≈ |
| Base ⌀ | 10.62 | 0.418 | ✓ |
| Rim ⌀ | 12.50 | 0.492 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.60 | 0.063 | ✓ |
| Neck length | 7.60 | 0.299 | ≈ |
| Case length | 52.00 | 2.047 | ✓ |
| Overall length | 69.00 | 2.717 | ✓ |
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. 6x52mmR BB2 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 2005.
FAQs
- What twist rate does 6x52mmR BB2 use?
- 6x52mmR BB2 typically uses a 1:10.0 twist rate.
- What bullet diameter is 6x52mmR BB2?
- 6x52mmR BB2 uses a 0.2429″ (6.17 mm) diameter bullet.
- Is 6x52mmR BB2 still in production?
- 6x52mmR BB2 is active; typical availability is limited.
- What is 6x52mmR BB2 used for?
- 6x52mmR BB2 is primarily used for hunting.
- What is 6x52mmR BB2 based on?
- 6x52mmR BB2 is derived from the .22 Savage Hi-Power 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 →
