Rifle · CIP
8.5x55mm Blaser
Modern short-action .338 hunting cartridge developed for efficient performance from short barrels..
- Caliber
- 0.3382″ · 8.59 mm
- Introduced
- 2019
- Case
- Rebated
- Parent
- .404 Jeffery
- Primary use
- Hunting
- Status
- Active
- Introduced
- 2019
- Type
- Rifle
- Origin
- Sweden
- Inventor
- Blaser
- Manufacturer
- Blaser / Norma / Hornady
- Standard
- CIP
- Status
- Active
- Availability
- Limited
- Case capacity
- 77 gr H₂O
- Primer
- Large Rifle
- Case type
- Rebated
- Max pressure
- 62,366 psi
- Eff. range
- 350 yd
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for 8.5x55mm 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
- .404 Jeffery
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 ⌀ | 8.59 | 0.338 | ✓ |
| Neck ⌀ | 9.36 | 0.369 | ✓ |
| Shoulder ⌀ | 13.17 | 0.519 | ✓ |
| Shoulder angle | 30° | — | ✓ |
| Base ⌀ | 13.84 | 0.545 | ✓ |
| Rim ⌀ | 13.59 | 0.535 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.37 | 0.054 | ✓ |
| Neck length | 9.02 | 0.355 | ≈ |
| Case length | 54.70 | 2.154 | ✓ |
| Overall length | 75.84 | 2.986 | ✓ |
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. 8.5x55mm Blaser is highlighted below.
Suitable powders
2 reloading powders listed for 8.5x55mm Blaser, fastest to slowest. Cross-reference in the finder →
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
CIP standardized 2019 for Blaser rifles; case head resembles the .404 Jeffery family (rebated rim), though no official parent case is published.
FAQs
- What bullet diameter is 8.5x55mm Blaser?
- 8.5x55mm Blaser uses a 0.3382″ (8.59 mm) diameter bullet.
- Is 8.5x55mm Blaser still in production?
- 8.5x55mm Blaser is active; typical availability is limited.
- What is 8.5x55mm Blaser used for?
- 8.5x55mm Blaser is primarily used for hunting.
- What is 8.5x55mm Blaser based on?
- 8.5x55mm Blaser is derived from the .404 Jeffery case.
- What are the best powders for 8.5x55mm Blaser?
- Reloading powders commonly listed for 8.5x55mm Blaser include 203-B, URP.
Sources & provenance
- Standard C.I.P. (Commission Internationale Permanente) — C.I.P. TDCC — 8,5 x 55 Blaser (Tab. I, rev. 2019) · year, bullet ⌀ archived
- Secondary all4shooters.com — Blaser K95, now also available in the new 8.5x55 Blaser caliber · velocity, grain weights archived
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →