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How to measure rifle bore diameter
Well to finish my story. The Henry 010 45-70 rifle groove diameter is 0.456" in diameter (0.4558"-0.4562") in range after re-measuring with the Bear Tooth soft lead balls. Bear Tooth bullets measure 0.460" and Oregon Trail 0.459". I will order some Rim Rock bullets which measure at 0.458" to see if there is a difference in accuracy with the Oregon Trail Laser Cast that I have.
Thanks to all again.
Bill
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Prosecute criminals to the fullest extent of the law and their weapons will become harmless.
"Let us speak courteously, deal fairly, and keep ourselves armed and ready." Theodore Roosevelt 1903
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