The .17 Ackley Bee is a wildcat centerfire rifle cartridge named after its designer, P.O.

Ackley, and is a .218 Bee case necked down to .17 caliber with a sharper shoulder and less body taper.

Being a rimmed case, it was popular in single shot rifles such as the Martini Cadet and Low Wall Winchester.

[2] The caliber is well suited to varmint hunting particularly where minimal pelt damage is required.

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