Hodgdon Extreme
Hodgdon H4831
A long-standing slow-burning big-game powder for standard and magnum cartridges with heavier bullets.
Specifications
| Manufacturer | Hodgdon |
|---|---|
| Product family | Hodgdon Extreme |
| Status | Currently produced |
| Application | rifle |
| Grain form | extruded |
| Composition | single-base |
| Temperature stable | Yes — claimed by the manufacturer |
| Burn-rate position | 166 of 198 (fastest = 1) — what this means |
| Typical cartridges | 270 Winchester, 25-06 Remington, 280 Remington, 300 Winchester Magnum |
Full-length extruded kernels. Extreme-series: temperature insensitive with tight lot-to-lot uniformity. The full-length kernels can bridge or get cut in some measures — H4831SC is the short-cut alternative.
Burn rate
Slow rifle, near Norma 205 and Vihtavuori N560; charted together with H4831SC.
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 H4831SC (position 166)
- Vihtavuori N560 (position 167)
- IMR Enduron 4955 (position 168)
- Norma MRP (position 169)
Sources
Other Hodgdon 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.