Hoover Meplat Trimmer: Checking Bearing Surface Length

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Meplat Trimmer Bearing Surface Length

Hoover Meplat Trimmer: How to check bearing surface length:


Slide calipers into the slot on the Meplat Trimmer body. Close the calipers to square it and tighten the black plastic thumb nut.


Install a bullet in the Meplat body and close the calipers. Zero the calipers to get your base number.


Sort bullets in .001” increments (example -.002/-.001/.000/+.001/+.002) by installing them into the Meplat body and closing the calipers.