Hornady Headspace Gauge Bushings SELECT BUSHING:D400 Measuring cartridge lengths across the

Measuring cartridge lengths across the bullet tips is not a reliable (or repeatable) method for measuring loaded rounds

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Hornady Headspace Gauge Bushings SELECT BUSHING:D400 Measuring cartridge lengths across theThe Lock N Load Headspace Comparator extends brass life, improves accuracy, and enhances safety. The gauge measures variations in brass before and after firing or re sizing. It allows for headspace comparison between fire formed brass and re sized brass. The five bushings that come with the Lock N Load Headspace Comparator provide the ability to check most bottleneck cases, from . 17 Rem through belted magnums. Ackley Improved chambers use the same