Rifle · CIP
.45 Blaser
.45 Blaser is a rimless bottlenecked rifle cartridge of Germany origin.
- Caliber
- 0.4583″ · 11.64 mm
- Introduced
- 2002
- Case
- Rebated
- Parent
- .425 Westley Richards
- Primary use
- Hunting
- Status
- Active
- Introduced
- 2002
- Type
- Rifle
- Origin
- Germany
- Inventor
- Blaser
- Manufacturer
- Blaser
- Standard
- CIP
- Status
- Active
- Availability
- Limited
- Case capacity
- 84 gr H₂O
- Twist (typical)
- 1:14.0
- Primer
- Large Rifle
- Case type
- Rebated
- Max pressure
- 53,664 psi, CIP transducer
- Eff. range
- 150 yd
- Max range
- 750 yd
- Recoil
- 18.1–22.5 ft·lb
Introduced by Blaser
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .45 Blaser, 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
- .425 Westley Richards
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 ⌀ | 11.64 | 0.458 | ✓ |
| Neck ⌀ | 12.36 | 0.487 | ✓ |
| Shoulder ⌀ | 12.98 | 0.511 | ✓ |
| Shoulder angle | 10° | — | ≈ |
| Base ⌀ | 13.03 | 0.513 | ✓ |
| Rim ⌀ | 12.01 | 0.473 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.37 | 0.054 | ✓ |
| Neck length | 12.50 | 0.492 | ≈ |
| Case length | 55.00 | 2.165 | ✓ |
| Overall length | 68.50 | 2.697 | ✓ |
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. .45 Blaser 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 Blaser.
FAQs
- What twist rate does .45 Blaser use?
- .45 Blaser typically uses a 1:14.0 twist rate.
- What bullet diameter is .45 Blaser?
- .45 Blaser uses a 0.4583″ (11.64 mm) diameter bullet.
- Is .45 Blaser still in production?
- .45 Blaser is active; typical availability is limited.
- What is .45 Blaser used for?
- .45 Blaser is primarily used for hunting.
- What is .45 Blaser based on?
- .45 Blaser is derived from the .425 Westley Richards 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 →
