The bullet is OUTSIDE lubricated lead. They are not super alloy, designed to go 3000 fps and withstand 40X the sun's heat. Just pull a Snake through them every once in awhile.
More rimfire barrels have been ruined by "overbrushing" than any rounds shot through them.
They actually "clean" with each shot. Up to a point.
More rimfire barrels have been ruined by "overbrushing" than any rounds shot through them.
They actually "clean" with each shot. Up to a point.