These barrel blanks are made from premium quality 4140 Chrome Moly Steel then precision-reamed, button rifled, stress relieved and air gauged to + or - .0002". Furnished "in the white" these blanks will require threading to the action of your choice, crowning, chambering and finishing by a qualified gunsmith. The proper break-in procedure requires cleaning after each shot for the first five shots. Then cleaning after every five shots for the next 50 shots. This particular barrel has 8 lands and grooves.
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