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Old October 25, 2011, 08:16 AM   #18
highvel
Senior Member
 
Join Date: January 21, 2010
Location: Powhatan VA
Posts: 633
I use Excel and made a target that has 1" grid and at the bottom has all the pertinent data, I shoot and then put it into a three ring binder for reference.
You can get one at http://www.ballistics-software.com
I make notes on the target for conditions, FPS, etc and it makes for a handy reference to keep from making the same mistakes.
Oh, and it helps a great deal to be able to see the actual groups for different loads
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