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.
The slowest N300 handgun powder and the one for heavy magnum revolver loads and top-end semi-auto work: .357, .41 and .44 Magnum, 10mm, .454 Casull, and full-house .45 ACP. It is widely used in practical and action pistol, where a slower powder that fills the case gives a softer, more manageable impulse than a fast powder driven hard. In light target loads it is simply too slow and will burn dirty.
- heavy .44 Magnum
- full-power 10mm Auto
- .454 Casull
- action pistol .40 S&W
Who has Vihtavuori N350 today
Checked October 10In stock at 1 store — lowest in hand $60.86/lb (4 lb at Graf & Sons)
| Store | Size | Shelf | In hand /lb | Stock |
|---|---|---|---|---|
| Graf & Sons$23.50 hazmat per package | 4 lb | $205.99 | $60.86 | In stock ↗ |
| Graf & Sons$23.50 hazmat per package | 1 lb | $61.99 | $99.44 | In stock ↗ |
| Lohman ArmsHazmat charged, amount not published | 4 lb | $146.99 | $44.61 est. | Out |
| Lohman ArmsHazmat charged, amount not published | 1 lb | $43.99 | $75.43 est. | Out |
“In hand” is the shelf price plus that store’s hazmat fee and shipping, spread over one container. Stock is checked once a day — confirm on the store’s page before ordering. Compare all powders →
Official Vihtavuori load data →
Specifications
| Manufacturer | Vihtavuori |
|---|---|
| Product family | Vihtavuori Pistol |
| Status | Currently produced |
| Application | pistol |
| Grain form | extruded |
| Lee VMD (bulk density) | 0.0977 cc per grain · 0.66 g/cc |
| Composition | single-base |
| Burn-rate position | 53 of 198 (fastest = 1) — what this means |
| Typical cartridges | 9mm Luger, 357 Magnum, 10mm Auto, 41 Remington Magnum, 44 Remington Magnum, 45 ACP, 454 Casull |
Grain shape
Same grain dimensions as the rest of the N300 series, with porosity and surface treatment setting the burn rate rather than size. Neutral-burning tube, so pressure builds progressively, which is what makes a heavy load feel like a push rather than a hit.
Why geometry decides burn rate more than chemistry does: Shape Is the Product.
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:
- Ramshot True Blue (position 50)
- Ramshot Silhouette (position 51)
- Vihtavuori 3N37 (position 52)
- Vihtavuori 3N38 (position 54)
- Winchester 572 (position 55)
- Shooters World Major Pistol (position 56)
Sources
The specifications above come from Vihtavuori's own published documentation, linked below. The two “RCM's read” sections are ours, not theirs — our assessment of what this powder is like to load, drawn from its published characteristics and from what handloaders consistently report. No manufacturer endorses them and no source below backs them. If you think we have one wrong, tell us — we would rather fix it.