Redding Instant Indicator Headspace Comparator 300 PRC (No Dial)

Description

The Redding Instant Indicator Headspace and Bullet Comparator is a precision reloading tool designed to measure headspace and bullet seating depth to the lands. This listing is for the version that does not include a dial indicator; it provides the base tool insert(s) and stem(s) required for measurement. Users must supply a compatible dial indicator (commonly with a 0.375-inch stem diameter) to read measurements. The tool is intended for reloaders who need repeatable, bench-level measurement for cartridge setup and bullet seating verification.

Key Specifications

• Designed for caliber 300 PRC.
• Sold without a dial indicator—the dial must be supplied separately.
• Includes base tool insert(s) and stem(s) only.
• Measures headspace and bullet seating depth to the lands.
• Requires a compatible dial indicator with a 0.375-inch stem diameter (common compatibility spec).
• The manufacturer’s listed weight is 1.083.
• The listed shipping weight is 1.083.

This Redding Instant Indicator setup gives reloaders a straightforward way to add accurate, repeatable measurements to their bench process. By using the supplied inserts and a user-supplied dial indicator, you can verify headspace and seating depth with clarity and consistency—helping to streamline case setup and reduce guesswork in load development and precision reloading tasks.