2" vs 4" ballistics for 3" barrel?
I'm currently carrying a derringer with a 3" barrel, chambered in .38 / .357.
QUESTION- IF reliable ballistics for a certain ammunition are only available for either a 2" or 4" barrel, which should I go with for my 3" barrel?
THANKS!
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- BIFF TANNEN -
The great-grandson of Buford "Mad Dog" Tannen.
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