chucksniper
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- Jul 7, 2008
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I just got my McGowen 1:12 .243 win varmint barrel, with a 11 degree crown... McGowen says the bullet weight max is 85 grains.... the rep told me 85 is the best...
In your experience can I go lower? I have 55 grainers and up to 90.
In your experience can I go lower? I have 55 grainers and up to 90.
