That's what I like about the " Speer " manuals . They use actual firearms not just a 10" test barrel . So you can get a pretty good idea of what to expect from your firearm . Yes , each gun is different but the speer manual gives you a better idea of performance than the powder co's data . I mean really , when was the last time you saw a 38spl revolver with a 10" barrel ?
Last edited by cowboy4evr; 07-10-2017 at 09:57 AM.
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