Gun Barrel Air Gages

Willrich Precision offers gun barrel air plugs designed for every combination of size and rifle rate.  These plugs are available in hard chrome plated steel, and are used with air gage amplifiers.

-Measure spiral rifle bore land & groove diameters

Call 866-945-5742 or email: for more information

Measuring the bore of a gun barrel is not easy task. Especially if you desire to measure the diameter  of the spiral “rifle” groove, or the land diameter between these grooves.

Measure Gun Barrel accurately with air gages.


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