HORNADY FONDELLO Lock-N-LoaD 17-22 Rimfire Thickness Gauge #RF17

Selecting rimfire cartridges based on the thickness of the case head allows for similar ignition characteristics, resulting in better accuracy.

This proven technique is used by competitive shooters and Varmint hunters. The rimfire case head gauge is applied to the caliper with a vernier and is equipped with bushings for use with all .17 and .22 rimfire calibers.