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a bit with a straight reamer and polish lightly with fine emery cloth wrapped around a stick or iron rod. Wipe out all grit, and slip the band on the barrel as far as it will go. Now measure and make a light scratch mark on underside of barrel at the exact point where the center of band is to come. With a piece of brass or copper, drive the band toward this mark until it is right on the barrel. Now hold the barrel under the left arm, with hand grasping it near the band, and with a ball peen hammer, peen the band over its entire surface, striking heavier blows along the rear edge where it fits the

rig. 142

Fig. 143

screw. Use care to get this straight in line, otherwise the swivel

Peening on a ramp front sight barrel tightly. After a few moments of this you will note the band is loose. Drive it further on the barrel until again tight, and continue peening. Gradually the rear portion is enlarged until the band is equally tight at both front and rear edges; now continue peening with equally heavy blows over entire surface, driving the band on further as it is enlarged, until it can just be driven snugly to the mark—or rather, so that this mark on barrel is seen through the screw hole in band. Now peen lightly over the band again to stretch it enough to relieve the strain. You should now be able to slide it off and on by a push wirh the fingers, the band coming to a definite stop at exactly the right point. It may now be set in the vise and ilie suif;iLe of band carcfully smoothed with a fine mill file» and the outer edges slightly rounded. In finishing, bring the band to about 1/32 inch thick with a fine flat Swiss file, such as a 6 inch pillar fil*; and use it in the direction of the barrel's length— not across the band—in the same manner as in striking barrels.

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