9mm slugged barrels

  1. santacruzdave

    9mm barrel size vs bullet size

    Finally got around to slugging my 9mm pistol barrels. I'm not all that experienced reloading and I wanted to gather some information on why some of my reloads are way more accurate than others. So I slugged the bores of my 4 pistols and wound up with 2 measuring .3565 and 2 measuring .3545. I...
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