N550 Load Data: 1,930 Published Loads in 55 Cartridges
Empirical Precision indexes 1,930 published loads for N550 (Vihtavuori) across 55 bottleneck rifle cartridges from 9 reloading sources, spanning projectile weights from 50 gr to 350 gr.
Published Loads1,930
Cartridges55
Sources9
Bullet Weights50–350 gr
Always start low and verify against the original published source before loading.
Powder Data Sheet
- Manufacturer
- Vihtavuori
- Grain Type
- Multi-perforated Extruded
- Bulk Density
- 950 kg/m³
Burn Rate Position
Position #84 of 145 rifle powders on the Empirical Precision relative burn chart (ordered fastest to slowest).
- Nearest Faster
- Power Pro 2000-MR, H380
- Nearest Slower
- Ramshot Big Game, IMR 4007 SSC
A burn chart is a guide, not load data.
Cartridges Published (55)
Sources Publishing Data (9)
| Publisher | Published Loads |
|---|---|
| Vihtavuori | 1,149 |
| Berger | 252 |
| Hornady | 209 |
| Sierra | 134 |
| Nosler | 78 |
| Lyman | 54 |
| Barnes | 28 |
| Speer | 16 |
| Federal | 10 |