Thickness Gauge Hornady Lock-N-Load Rimfire .17-.22

The Hornady Lock-N-Load Rimfire .17-.22 thickness gauge lets you measure your rimfire ammunition's rim thickness to identify rounds with similar ignition qualities. It attaches easily to any 6"/150 mm calliper and comes with bushings for all .17 and .22 calibre rimfire ammo. It helps detect variations within a batch, allowing you to separate match-grade ammo from rounds better suited for plinking or practice.

Hornady Lock-N-Load Rimfire .17-.22 thickness gauge features:

• Fits all standard 6" callipers
• Includes bushings for .22 Short, .22 Long, .22 LR, .17 Mach 2, .17 HMR, and .22 Magnum ammo
• Helps sort ammo into groups by rim thickness for improved shot consistency
• Durable, easy-to-install design with brass thumb screws and alignment guides
• Sorting ammo by rim thickness is a simple, effective way to enhance precision and performance