On one side--once fired cases, purchased from a private dealer.
On another side, once fired GI cases from Jeff Bartlett, at: www.gibrass.com
Yet another choice: brand new IMI cases from Widener's.
Which one should I do?
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Happiness is a 200 yard bughole.
Don
The only way I can think of to know whether or not the different cases you listed will make a difference is to get 50-100 of each and test them. Hopefully you will have time to do that and then order the ones that give you the most confidence.
If you are short of time, then go with Don's brother's experience. Having seen a good many of Don's posts, I don't get the impression that he is into misleading people at all.
Just looked at the Widener's catalog and that does look like an excellent price on the IMI cases.
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Good hunting and clean 1-shot kills, Hot Core