Measuring Tools

Bump Comparator Insert - 23°

23° Bump Comparator Insert designed for accurate and repeatable measurements of case shoulder position, helping monitor shoulder setback during the resizing process.

€5.99
SKU 50410
Material Ste
Weight 10g

Description

The 23° 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:
- 223 Remington
- 5.56 mm
- 221 Fireball
- 222 Remington
- 17 Remington
- 222 Remington Mag