What is the .25 IHMSA?

The .25 IHMSA is a rifle cartridge.

What bullet diameter does the .25 IHMSA use?

The .25 IHMSA uses a bullet diameter of 0.257 inches.

The .25 IHMSA has a Rimless, Bottlenecked case type.

Rifle

Case Type	Rimless, Bottlenecked

Dimensions (inches)

Parent Cases

.300 Savage

Community Load Data

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Powder (name or brand)

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Max MV (fps)

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Cartridges with the same bullet diameter (0.257")