What is the .338 IHMSA?

The .338 IHMSA is a rifle cartridge.

What bullet diameter does the .338 IHMSA use?

The .338 IHMSA uses a bullet diameter of 0.338 inches.

The .338 IHMSA has a Rimless, Bottlenecked case type.

The .338 IHMSA uses a Large Rifle (.210") primer.

Rifle

Case Type	Rimless, Bottlenecked
Primer	Large Rifle (.210")

Dimensions (inches)

Parent Cases

.300 Savage

Community Load Data

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Powder (name or brand)

Min MV (fps)

Max MV (fps)

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Cartridges with the same bullet diameter (0.338")