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Old 06-08-2011, 02:02 AM   #1
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Default Winchester Auto Comp

Does anybody use this with good results? I have read a few things online that say its a great clean burn with excellent performance. I am having trouble finding consistent load data for it though. I like to see data in atleast two places and get a estimated start load before I shoot a round.



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Old 06-08-2011, 04:37 AM   #2
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Guess nobody does.



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Old 06-09-2011, 01:49 AM   #3
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I found a little more info last night and made a trial batch tonight.

Test gun Glock 22 .40 S&W gen 3

once fired .40 fed cases cci 500 primers and Rainier 165gr hp with light crimp

Winchester Auto Comp.. Loaded 5 rounds of 6 , 6.4 and 6.8 gr and ran through chrono. Performed excellent, ejection good 6-8' clean burn.



6.0 gr = avg 958 low 941 hi 980

6.4 gr = avg 1007 low 986 hi 1027

6.8 gr = avg 1052 low 1052 hi 1053

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Old 06-17-2011, 07:41 AM   #4
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Thanks for the information.
Did you shoot any off a rest for accuracy?

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Old 06-18-2011, 01:33 AM   #5
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No I have not tried for grouping yet. My first attempt was to get velocity in the correct range then when I get that in a few different powders i will try them all for accuracy and see how clean they are burning.



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