I realize this thread is ancient. I found something I believe is noteworthy. If any one dissagrees, then I apologize.
I have 2 Wilson Combat 8 rnd mags that have been on range duty for a while, due to failures to feed. Had some free time the other day so I sat down and took a close look at the problem.
Despite being clean and appearing functional on their own, my 1911 would not cycle reliably with the mags, even with ball ammo. I assumed that the mag spring being weak was the problem, now I'm not sure.
After comparing the 2 Wilson mags to various other factory 7 rnd mags, it appears that the magazine catch slot is cut into the Wilson mags roughly 0.12" closer to the feed lips that on my 7 round original styled mags. This is causing cartriges to sit at a impractical angle as they attempt to be chambered.
I plan on doing further research, but in the meantime, I'm open to any and all suggestions. (Don't say it, TS.
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