While I readily admit that right now my RIA sports an EGW Angle-bore, Extra-thick Gunsmith-fit bushing( You give them the ID of the slide and the OD of the barrel at the muzzle), I used to fit a bushing to the slide first. When it was snug but not tight, I'd measure the barrel at the muzzle( With a 0-1 Micrometer, not a dial-vernier), add .001 to that and start in on the ID of the bushing using a 9/16ths dowel(Turned down from 5/8ths.) with a single wrap of Crocus Cloth around it. Most muzzles except for Match barrels(True Match barrels) are around .577 to .582 in diameter. Oil the cloth and turn a couple times and check, turn a couple times and check til I got the fit I wanted. Thing you have to watch is that when you move the slide back .100 or so,the barrel can tilt down and unlock.
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Looking at the bushing I know it looks like the barrel isn't straight. That's because it isn't!!! 1911 Barrels sit in Battery with the chamber-center 52 minutes above level with the frame-rails.
Looking at the bushing I know it looks like the barrel isn't straight. That's because it isn't!!! 1911 Barrels sit in Battery with the chamber-center 52 minutes above level with the frame-rails.
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