Hornady - LNL Rim Thickness Gauge 17-22 509 Aluminum cap retains expanding mandrel

Aluminum cap retains expanding mandrel and allows for floating function

These results cannot be attained with competitive products

For the right-handed shooter

Slide may be locked in any position for precise measurements

Hornady - LNL Rim Thickness Gauge 17-22 509 Aluminum cap retains expanding mandrelSorting 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.