Ball Gauge Sizing Verification

Know the true size of your ball gauge. A mail-in service providing precise measurement of your gauge to the .0001 (ten-thousandth). Using a pair of calibrated bore micrometers we will note the actual sizing and return your gauge. We can provide a shipping to and from for the gauge.  Barrels can be gauged as well, the return shipping will be included, but it will be up to the customer to send the barrel.