Ruger GP100 Barrel Length Velocity Differences [Archive] - Glock Talk

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teweekley
01-24-2012, 18:56
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.

https://lh3.googleusercontent.com/-iWL1ZYLy6ME/Tx9SCcnWEkI/AAAAAAAAAZc/hUOzEVkklqI/s885/gp100s.jpg

JK-linux
01-24-2012, 19:07
Thanks for taking the time to organize and post the results!

RYT 2BER
01-24-2012, 19:11
Very nice chart... well done

Berto
01-24-2012, 19:25
THanks for doing the work, I have a 3" Gp100 and find that very interesting.:wavey:

G26S239
01-24-2012, 19:39
Interesting results, thank you.

fnfalman
01-24-2012, 23:31
Very cool info. I gotta get me a chronograph one of these days.

DonD
01-25-2012, 08:13
Pretty comprehensive, you put a lot of rounds down range and provided some useful info. Don