Rifle · CIP · Not SAAMI standardized · CIP standardizedObsolete
8x56mmR M89 Portuguese Kropatschek
8x56mmR M89 Portuguese Kropatschek is a rimmed bottlenecked rifle cartridge of Portugal origin.
- Caliber
- 0.3228″ · 8.2 mm
- Introduced
- 1908
- Case
- Rimmed
- Parent
- 8x56mm Mannlicher-Schoenauer
- Primary use
- Hunting
- Status
- Discontinued
- Obsolete
- Obsolete
- Introduced
- 1908
- Type
- Rifle
- Origin
- Portugal
- Inventor
- Portuguese military
- Manufacturer
- Portuguese military
- Standard
- CIP · Not SAAMI standardized · CIP standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Discontinued
- Availability
- Rare
- Case capacity
- 68.8 gr H₂O
- Twist (typical)
- 1:9.8
- Primer
- Large Rifle
- Case type
- Rimmed
- Max pressure
- 49,313 psi, CIP transducer
- Eff. range
- 300 yd
- Max range
- 1500 yd
- Recoil
- 22.2–24.5 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for 8x56mmR M89 Portuguese Kropatschek, 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
- 8x56mm Mannlicher-Schoenauer
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 ⌀ | 8.20 | 0.323 | ✓ |
| Neck ⌀ | 9.00 | 0.354 | ✓ |
| Shoulder ⌀ | 12.00 | 0.472 | ✓ |
| Shoulder angle | 15° | — | ≈ |
| Base ⌀ | 13.85 | 0.545 | ✓ |
| Rim ⌀ | 15.90 | 0.626 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 2.00 | 0.079 | ✓ |
| Neck length | 11.75 | 0.463 | ≈ |
| Case length | 56.00 | 2.205 | ✓ |
| Overall length | 81.00 | 3.189 | ✓ |
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. 8x56mmR M89 Portuguese Kropatschek 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
Developed by Portuguese military, derived from the 8x56mm Mannlicher-Schoenauer.
FAQs
- What twist rate does 8x56mmR M89 Portuguese Kropatschek use?
- 8x56mmR M89 Portuguese Kropatschek typically uses a 1:9.8 twist rate.
- What bullet diameter is 8x56mmR M89 Portuguese Kropatschek?
- 8x56mmR M89 Portuguese Kropatschek uses a 0.3228″ (8.2 mm) diameter bullet.
- Is 8x56mmR M89 Portuguese Kropatschek still in production?
- 8x56mmR M89 Portuguese Kropatschek is discontinued; typical availability is rare.
- What is 8x56mmR M89 Portuguese Kropatschek used for?
- 8x56mmR M89 Portuguese Kropatschek is primarily used for hunting.
- What is 8x56mmR M89 Portuguese Kropatschek based on?
- 8x56mmR M89 Portuguese Kropatschek is derived from the 8x56mm Mannlicher-Schoenauer 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 →
