Hornady - LNL Rim Thickness Gauge 17-22 Rings and microfiber cloth contained in

and microfiber cloth contained in a plastic case

This library currently has data on 533 bullets in common use by long range shooters

Utilizes case shoulders to center & trim(Not for use on straight wall cases)

you will need a Modified Case (sold separately) to fit your firearm's chamber and thread it onto the gauge

Hornady - LNL Rim Thickness Gauge 17-22 Rings and microfiber cloth contained inSorting 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.