Redding Instant Indicator Comparator without Dial 300 Remington Ultra Magnum

Overview

The Redding Instant Indicator Comparator is a precision instrument designed for measuring headspace and bullet seating depth within 0.001 of an inch. It allows for accurate case head-to-shoulder measurements, which is critical for setting sizing dies to achieve a precise amount of shoulder bump. This tool includes a bore diameter bushing and a range adapter, allowing for use in the field or at the range without requiring a reloading press. It is specific to the .300 Remington Ultra Magnum cartridge family.

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