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Old September 9, 2012, 08:50 PM   #2
Senior Member
Join Date: December 23, 2008
Location: Southern Illinois
Posts: 1,525
Seems to me like you are awfully close to your chrono. Try moving back to 10', which is where I think the manufacturer suggests. You are .2 grains over alliant's data and are getting over 200 fps more with a barrel under 2"????? I bet the chrono is picking up your muzzle blast.

If not, I would be SHOCKED!


Last edited by IllinoisCoyoteHunter; September 9, 2012 at 08:55 PM.
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