ontarget
Member
I picked up a couple of Smith and Wesson 1911 mags for use in my RI. Granted it's not a kimber but the S&W mags have been flawless feeders. Getting the 8th round in is a challenge though. Even fully loaded no problems.
Look for burrs or sharp edges on the extractor hook... a needle file or 22o sandpaper wrapped around a popsicle stick will break the edges. Also, watch this:
and this: