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Alliant Power Pro

Alliant Power Pro 300-MP

A spherical magnum pistol powder for maximum velocity in magnum handguns, with .22 Hornet listed as a secondary use.

Official Alliant load data →

Specifications

ManufacturerAlliant
Product familyAlliant Power Pro
StatusCurrently produced
Applicationpistol, rifle
Grain formspherical
Burn-rate position78 of 198 (fastest = 1) what this means
Typical cartridges.44 Magnum, .454 Casull, .22 Hornet

Alliant cites improved velocity and density for more efficient metering and loading. Spherical form meters well through progressive presses. Made in the USA.

Burn rate

Slower than 2400; the slowest handgun powder in the Power Pro line.

Chart agreement: consistent across charts - listed in the same relative neighbourhood by every publisher that carries it Ranked by: Hodgdon, Alliant, 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 Alliant 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.