Accurate
Accurate MAGPRO
A magnum rifle powder developed specifically for the Winchester and Remington short magnums, and applied to belted magnums as well.
Specifications
| Manufacturer | Accurate |
|---|---|
| Product family | Accurate |
| Status | Currently produced |
| Application | rifle |
| Grain form | spherical |
| Composition | double-base |
| Temperature stable | Not marketed as temperature-stable |
| Burn-rate position | 179 of 198 (fastest = 1) — what this means |
| Typical cartridges | 270 WSM, 7mm WSM, 6.5-284 Norma, 300 Winchester Magnum |
Manufacturer credits its metering properties for consistent performance. Made in the USA.
Burn rate
One of the slower Accurate powders, charted just past Vihtavuori N170 and ahead of IMR 7977.
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:
- Accurate High Country (position 176)
- Vihtavuori N565 (position 177)
- Vihtavuori N170 (position 178)
- IMR Enduron 7977 (position 180)
- Alliant Reloder 26 (position 181)
- Hodgdon H1000 (position 182)
Sources
Other Accurate 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.