Measuring Tools
Bump Comparator Insert - 20°A
20°A Bump Comparator Insert designed for accurate and repeatable measurements of case shoulder position, helping monitor shoulder setback during the resizing process.
€5.99
Description
The 20°A Bump Comparator Insert allows precise measurement of cartridge case shoulder position relative to a datum point on the shoulder.
It helps reloaders accurately track shoulder setback after sizing, ensuring consistent headspace and improved ammunition uniformity.
Compatible calibers:
- 308 Winchester
- 243 Winchester
- 7 mm - 08 Remington
- 7 x 64 mm Brenneke
- 260 Remington
It helps reloaders accurately track shoulder setback after sizing, ensuring consistent headspace and improved ammunition uniformity.
Compatible calibers:
- 308 Winchester
- 243 Winchester
- 7 mm - 08 Remington
- 7 x 64 mm Brenneke
- 260 Remington