Forster Datum Dial Kit 9x42 but will not add any

but will not add any additional functionality or performance upgrades:

The reduced recoil delivers quicker sight picture recovery important for the competitive semi-automatic shooter

Clay Shooting Magazine

The eyelets provides a small air source which keeps the head cool in warm weather conditions

Forster Datum Dial Kit 9x42 but will not add anyThe easy to use and versatile Datum Dial system is a groundbreaking tool designed to gather the data you need to refine case sizing and bullet seating operations. Core components include a body and three dials that reliably measure relative distances between selected points on cases, bullets, and cartridges. Your payoff? Precise information that helps you increase accuracy, improve safety, maximize consistency, and boost your reloading capability.