Hornady Lock-N-Load Headspace Comparator Bushings, 5 Count - HK55

These five replacement bushings for the Hornady Lock-N-Load Headspace Comparator enable measurement of brass variations before and after firing or resizing. The bushings provide coverage for most bottleneck cases from .17 Rem through belted magnums, with Ackley Improved chambers using the same bushing size as their parent cases. This tool extends brass life, improves accuracy, and enhances reloading safety.