What is the 6 mm-250 Walker?

The 6 mm-250 Walker is a wildcat rifle cartridge, introduced in 1902.

What bullet diameter does the 6 mm-250 Walker use?

The 6 mm-250 Walker uses a bullet diameter of 0.243 inches.

The 6 mm-250 Walker has a Rimless, Bottlenecked case type.

The 6 mm-250 Walker uses a Large Rifle (.210") primer.

Rifle Wildcat

Dimensions (inches)

Parent Cases

.22-250 Remington

Community Load Data

Filter Loads

Bullet Type

Powder (name or brand)

Min MV (fps)

Max MV (fps)

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Cartridges with the same bullet diameter (0.243")