Thread: 200 grain bullet sub-sonic A-1680 powder
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Old 09-19-2009, 05:23 PM
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Rikky Lee Rikky Lee is offline
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What velocity are you getting from the 220 grain load with 10.2 grains?

Rule of thumb would be to try 10 grains and then 9.8 - testing for function and accuracy as you go.
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