Rifle · CIP
.338 Blaser Magnum
.338 Blaser Magnum is a rimless bottlenecked rifle cartridge of Sweden origin.
- Caliber
- 0.3382″ · 8.59 mm
- Introduced
- 2009
- Case
- Rimless
- Parent
- .404 Jeffery
- Primary use
- Hunting
- Status
- Active
- Introduced
- 2009
- Type
- Rifle
- Origin
- Sweden
- Inventor
- Blaser
- Manufacturer
- Blaser
- Standard
- CIP
- Status
- Active
- Availability
- Limited
- Case capacity
- 92.6 gr H₂O
- Twist (typical)
- 1:12.0
- Primer
- Large Rifle Magnum
- Case type
- Rimless
- Max pressure
- 60,916 psi, CIP transducer
- Eff. range
- 400 yd
- Max range
- 2000 yd
- Recoil
- 30–34.9 ft·lb
Introduced by Blaser
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .338 Blaser 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
- .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 ⌀ | 13.02 | 0.513 | ✓ |
| 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 | 63.70 | 2.508 | ✓ |
| Overall length | 84.84 | 3.340 | ✓ |
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. .338 Blaser 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 2009 by Blaser.
FAQs
- What twist rate does .338 Blaser Magnum use?
- .338 Blaser Magnum typically uses a 1:12.0 twist rate.
- What bullet diameter is .338 Blaser Magnum?
- .338 Blaser Magnum uses a 0.3382″ (8.59 mm) diameter bullet.
- Is .338 Blaser Magnum still in production?
- .338 Blaser Magnum is active; typical availability is limited.
- What is .338 Blaser Magnum used for?
- .338 Blaser Magnum is primarily used for hunting.
- What is .338 Blaser Magnum based on?
- .338 Blaser Magnum is derived from the .404 Jeffery 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 →
