Measuring Tools

Bump Comparator Insert - 17°

17° Bump Comparator Insert designed for accurate and repeatable measurements of case shoulder position, helping monitor shoulder setback during the resizing process.

€5.99
SKU 50412
Material Steel
Weight 10g

Description

The 25° 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:
- 30-06 Springfield
- 270 Winchester
- 25-06 Remington
- 7.62 x 39 mm
- 280 Remington