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I'm nuts about long range shooting. Some of the things that work for the bestrest crowd at shorter ranges don't work at the longer distances, 800+ yards for example.
Things like extreme spread start to mean an awful lot regarding vertical dispersion, trying to keep it all in the X ring. The tried and true method is to get your measure and scale and go to it.
Trouble is that the scale is a Plus or Minus 1/10th grain unit. Your loads are varying by 2/10th of a grain. A bunch.
SO I tried a Promethius measure/scale combination. Accurate to 2/100ths of a grain, if you throw a bad load with this, the inaccuracy is displayed immedietly. The real test is in the shooting. 5 rounds, 1000 yards, into a 3 3/4 inch group with only 7/8ths inch vertical.
These are not for Joe average, but Tubb has a pair, the Canadian Palma 1 and 2 guys own them, and now I can understand why.
If you have the accuracy bug you should check these out.
Expensive and well worth it.
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