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Old 04-23-2006 | 06:00 AM
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sngehl01
 
Joined: Sep 2005
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Default RE: another aprox speed question

65 lb @ 325 grain you would subtract 2 total (for every 10 grains +/- 3 fps is what I read...)

try this site

www.prairieshack.com

there is a speed estimator on the left.
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