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Old 01-24-2012, 18:56   #1
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Ruger GP100 Barrel Length Velocity Differences

I did some chronographing of a GP100 4.2" and 3" with different types of ammo. The results are interesting. Just that one inch of barrel length makes a difference when shooting magnum loads. Lighter, faster bullets will have more velocity gain in the longer barrel.

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Old 01-24-2012, 19:07   #2
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Thanks for taking the time to organize and post the results!
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Old 01-24-2012, 19:11   #3
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Very nice chart... well done
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Old 01-24-2012, 19:25   #4
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THanks for doing the work, I have a 3" Gp100 and find that very interesting.
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Old 01-24-2012, 19:39   #5
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Interesting results, thank you.
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Old 01-24-2012, 23:31   #6
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Very cool info. I gotta get me a chronograph one of these days.
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Old 01-25-2012, 08:13   #7
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Pretty comprehensive, you put a lot of rounds down range and provided some useful info. Don
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