The cut rifling bought the bore out to .458" dia, so rifling is a good .007" deep. With a 1-20" twist should make a good 45-70 barrel, and or for someone thinking of nice big fat lead bullets.
The cut rifling bought the bore out to .458" dia, so rifling is a good .007" deep. With a 1-20" twist should make a good 45-70 barrel, and or for someone thinking of nice big fat lead bullets.
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