Powder Checks · Bullet Checks · Mark 7 reloading sensors

Powder directory

Hodgdon Extreme

Hodgdon H1000

A slow-burning magnum powder for overbored cases and for heavy bullets in standard magnums; also popular with long-range match shooters.

Official Hodgdon load data →

Specifications

ManufacturerHodgdon
Product familyHodgdon Extreme
StatusCurrently produced
Applicationrifle
Grain formextruded
Compositionsingle-base
Temperature stableYes — claimed by the manufacturer
Burn-rate position182 of 198 (fastest = 1) what this means
Typical cartridges7mm Remington Magnum, 7mm STW, 30-378 Weatherby Magnum, 6mm-284, 257 Weatherby Magnum, 270 Winchester, 300 Winchester Magnum

Extruded, Extreme-series temperature stability. Because it is slow it works best where case capacity supports a full charge column.

Burn rate

Very slow rifle, between Alliant Reloder 26 and Ramshot Grand.

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:

Sources

Other Hodgdon powders

Back to the full directory →

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.