Vihtavuori N500 High Energy
Vihtavuori N560
A slow high-energy powder for magnum cases, aimed at big-game hunting at distance and at sniper-type ammunition in larger calibers.
Official Vihtavuori load data →
Specifications
| Manufacturer | Vihtavuori |
|---|---|
| Product family | Vihtavuori N500 High Energy |
| Status | Currently produced |
| Application | rifle |
| Grain form | extruded |
| Composition | double-base |
| Burn-rate position | 167 of 198 (fastest = 1) — what this means |
| Typical cartridges | 270 Winchester, 7mm Remington Magnum, 300 Winchester Magnum, 338 Lapua Magnum |
Nitroglycerine-enhanced for higher energy than the equivalent N100 powder, letting it reach more velocity at the same pressure. Tubular grains larger than the mid-range N500 powders.
Burn rate
Vihtavuori places it between N160 and N165.
Chart agreement: consistent across charts - listed in the same relative neighbourhood by every publisher that carries it Ranked by: Hodgdon, Vihtavuori, Shooters World, Wolfe/LoadData.
Powders charted near it — neighbours on the chart are not substitutes, and adjacency tells you nothing about what charge either one takes:
- Vihtavuori N555 (position 164)
- Hodgdon H4831 (position 166)
- Hodgdon H4831SC (position 166)
- IMR Enduron 4955 (position 168)
- Norma MRP (position 169)
- Alliant Reloder 22 (position 170)
Sources
Other Vihtavuori powders
Verify the charge, not just the recipe
Good data gets you a safe starting point. It does not tell you what actually went into the case on stroke 340 — a bridged measure, a double charge, a squib. That is what an RCM Laser Powder Check is for.