Install on your progressive press after the powder drop station to automatically check dropped charges. It won t replace careful attention, but helps monitor the reloading process. The internal stem moves up and down to give a visual indication of powder charge. An adjustable white o-ring on the stem functions as a go, no-go indicator.

Hornady uses a similar device on their own ammo manufacturing presses.

Features:

• Includes a storage box.
• Works with all powder types and calibers.
• Fits most presses with standard 7/8-14 threads.