Sorting ammo by rim thickness will provide ammo with similar ignition qualities for improved accuracy. 

This proven technique is used by competitive shooters and varmint hunters.

The rimfire gauge attaches to your caliper and includes bushings for use with most (not compatible with 17 WSM) .17 and .22 caliber rimfire ammo.

SKU HORRF17
Model # RF17
Brand Hornady

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