I cut the pins in half with a 4 1/2" grinder (guard the body or your knick it when it kicks) then used a pair of vice grips to twist the pin first, then pinched it out with the grips. The original pins are spined, so they'll resist at first, but they will twist. As far as pinching the pins, I placed one jaw on the cut in the center, then the other on the outer edge of the hinge and then sqeezed. Be careful of the bushings, they're bronze and will crack if you hit them.
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