Thingiverse
Grouping Gauge
by cmnicholls
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This grouping gauge is calibrated for Minutes of Angle at 100 yards. There are 3 different sizes available one is for the .338, .30, .22 calibre rounds.
Grouping sizes are always measured from the centre of the bullet holes and the group is a circle from the centre of the 2 furthest away bullets that has all of your bullets contained within it. These gauges take the guesswork out of group by compensating for the size of the bullet therefore any group that can be fully contained by the hole is the indicated group size or smaller.
Grouping sizes are always measured from the centre of the bullet holes and the group is a circle from the centre of the 2 furthest away bullets that has all of your bullets contained within it. These gauges take the guesswork out of group by compensating for the size of the bullet therefore any group that can be fully contained by the hole is the indicated group size or smaller.
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