The Hornady Lock-N-Load Headspace Gauge is a great tool for increasing the accuracy of your loaded ammunition. The Headspace gauge measures 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. Bushings fit the comparator body and attach to calipers with a thumb screw. Can be used with bottleneck cases from 17 caliber through large belted magnums.
- All bushing are interchangeable.
- Works on all bottleneck type cases and wildcats.
- This set fits 17 caliber through belted magnums.
- Must be used with Calipers.
- Comparator body
- 5 bushings B-2000 Gauge
- Allen wrench