What is the .17 Mach IV?

The .17 Mach IV is a wildcat rifle cartridge, introduced in 1962, designed by Vern O'Brien.

What bullet diameter does the .17 Mach IV use?

The .17 Mach IV uses a bullet diameter of 0.172 inches.

The .17 Mach IV has a Rimless, Bottlenecked case type.

The .17 Mach IV uses a Small rifle (.175") primer.

Rifle Wildcat

Dimensions (inches)

Parent Cases

.221 Fireball

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 (0.172")