What is the 10.66 x 57R Bulgarian?

The 10.66 x 57R Bulgarian is a rifle cartridge.

What bullet diameter does the 10.66 x 57R Bulgarian use?

The 10.66 x 57R Bulgarian uses a bullet diameter of 0.422 inches.

The 10.66 x 57R Bulgarian has a Rimmed Bottlenecked case type.

The 10.66 x 57R Bulgarian uses a Berdan primer.

Rifle

Case Type	Rimmed Bottlenecked
Primer	Berdan

Dimensions (inches)

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Powder (name or brand)

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Cartridges with the same bullet diameter (0.422")