A lot of the older .22 barrels were 1117. Not real great material, but good enough for .22 wear. If you line enough old .22 barrels, they seem straight on the O.D. but the bores are as crooked as you can make them. They seemed to shoot O.K. for the most part, crooked bore or not. It seems as if the last 6-8 inches before the muzzle was straight they would shoot O.K. This guy probably straightened the REBAR before starting. I have straightened barrel blanks.
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