I found out Speer publishes their gel test results for their LE ammo. I had to go long to match their test barrel length, but I'm glad I did because now I know my new Gel is pretty darn close to the 10% ordnance gel they use.
http://mousegunaddict.blogspot.com/2...s-testing.html
http://mousegunaddict.blogspot.com/2...s-testing.html

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