21st Century Concentricity Gauge Wheel

Producent 21st Century Shooting Inc.

Most conventional concentricity gauges of the day use what is called a height indicator gauge. 

Although it offers an economical solution to the problem, this type of gauge was not intended for the purpose of measuring rotating diameters. They will lead to inaccuracies due to indicator 
rod flex and bounce.

The new concentricity gauge from 21st Century Shooting uses a horizontal dial test indicator. This type of gauge was designed specifically for checking rotating diameters and in fact is exactly the type of gauge used in the machining industry for decades to measure run out – the very thing that we as hand loaders are striving to minimize or eliminate. 

Additionally, this new gauge uses Stainless Steel TURNING ROLLERS as opposed to fixed bearings or V configuration. Also the 21st Century Shooting gauge lets the operator check not only the O.D. but the I.D., a feature exclusive to the 21ST CENTURY SHOOTING CONCINTRICITY GAUGE. You will especially appreciate the roller supports that glide on linear guide-ways, with a simple push of a button for adjusting the base. No tools necessary.

As PRECISION hand loaders, we are basically small machine operators. Much of what we do has been derived from the machine shop industry but scaled down to make it affordable. In spite of improvements in manufacturing processes and capabilities over the years, the old way of doing things tends to prevail. At 21st Century Shooting it is our goal to modernize an industry that has seen little change over the years. The new concentricity gauge is a perfect example.
(Indicator gauge may very on brand)


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