What is the .25 FAT Winchester?

The .25 FAT Winchester is a wildcat rifle cartridge.

What bullet diameter does the .25 FAT Winchester use?

The .25 FAT Winchester uses a bullet diameter of 0.25 inches.

The .25 FAT Winchester has a Rimless, Bottlenecked case type.

The .25 FAT Winchester uses a Large Rifle (.210") primer.

Rifle Wildcat

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

Dimensions (inches)

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Cartridges with the same bullet diameter (0.25")