Shooting crony. Its a rough indicationIf im using it Il put a couple over it of a load that has been over your Ohler Greg then if they are say 100fps fast readings on the day Il subtract that from the readings of the load im playing with.
Depending on the day it can vary from almost right to 140fps fast.
Would be interesting to put the same load over a few ohlers on the same day and see how much difference there actually is between them.
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