134042 13/16" x 42" 40 caliber Black Powder Rifle Barrel Blank

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Item Number: 134042
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40 caliber, 1:48 twist, 42" length, 13/16" across the flats diameter, 1137 steel, 6 lbs, single point cut rifled, air gauged, stress relieved, octagon barrel with breech end threaded 5/8" x 18" RH for a muzzle loader build.