Lock-N-Load Headspace Bushings - 0.420'''' Headspace Bushing

The Hornady Lock-N-Load Headspace Gauge is perfect for measuring from the case-head to the datum line on the case shoulder to allow proper brass resizing for a precise fit with the rifle chamber. Bushing fit the comparator body and attach to calipers with a thumb screw. Mfg: Hornady