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Old March 14, 2013, 07:31 PM   #9
Senior Member
Join Date: December 26, 2008
Posts: 140
I just tested this out last month using 4.4 gr universal and CCI 500 and Federal Small magnum. These were chrono'd when it was 8 degrees outside and using my Glock 34 and 124 gr rn winchester bullet and WIN cases.

Avg vel using the federal magnum was 1097 fps

Std CCI was about 1078

I did not see much difference and this is not a recommendation.
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