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Vihtavuori Pistol

Vihtavuori N350

Aimed at heavy magnum revolver loads and top-velocity semi-auto work. Vihtavuori notes it is widely used in practical/action pistol shooting.

Official Vihtavuori load data →

Specifications

ManufacturerVihtavuori
Product familyVihtavuori Pistol
StatusCurrently produced
Applicationpistol
Grain formextruded
Compositionsingle-base
Burn-rate position53 of 198 (fastest = 1) what this means
Typical cartridges9mm Luger, 357 Magnum, 10mm Auto, 41 Remington Magnum, 44 Remington Magnum, 45 ACP, 454 Casull

Shares the same grain dimensions as several other N300 powders; the burn rate difference comes from porosity and surface treatment rather than grain size.

Burn rate

The slowest of the N300 handgun powders, adjacent to 3N37 on the burn rate chart.

Chart agreement: consistent across the three charts that list it Ranked by: Hodgdon, Vihtavuori, Wolfe/LoadData.

Powders charted near it — neighbours on the chart are not substitutes, and adjacency tells you nothing about what charge either one takes:

Sources

Other Vihtavuori powders

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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.