Purpose – For the precise measurement of the primer depth.

With this simple tool set you can check whether your primer holes are perfectly even and concentric, and whether all primers are seated at the same depth.

Ideal for empty primer holes and fired cartridge cases!

• Construction – CNC machined from 6061 aluminum and color-coded with a durable, hard-anodized coating.

• Calibration block pin – Made of stainless steel and precision ground for maximum accuracy.

• Probe – Made of tungsten carbide for exceptional wear resistance.

• Available in five common case bases – .223R, .308W, .300 WM, 7.62×39 PPC and .338 LM

If you wish to use your own dial gauge, please check the following specifications!

Diameter of dial gauge rod = 8 mm

Probe thread = M2.5

The set consists of 5 different shell inserts for the following calibers:

• .223
• .308
• 7.62x39
• .300 WM
• .338 LM

• digital measuring device
• Measuring pin adapter made of tungsten carbide
• Storage case
• Zeroing block

You will need a probe and a calibration block pin to use this tool!