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AR15.COM
4/13/2009 5:28:26 AM EDT
I have a Springfield Loaded MC Operator with about 300 rounds through it. I usually shoot Springfield 7 round mags in the gun but I have noticed that when using Wilson 8 round mags and Springfield 10 rd mags the slide won't lock back after the last round is fired. In addition when chambering a round from the Wilson mags or the Springfield 10 rd mags the rounds fail to feed. This condition doesn't happen with my springfield 7 round mags ever or my Chip Mccormick mags. Does anyone have any ideas what could be causing this malfunction on certain mags. Otherwise the gun cycles flawlessly. These failures to feed don't happen except while loading a new magazine.
4/13/2009 5:31:06 AM EDT
[#1]
Quite possibly it's the tension of the spring in the magazines.  Try removing the spring from one of the culprit mags and pull it out a little to add some additional tension (not alot to avoid ruining the spring).
4/13/2009 6:03:28 AM EDT
[#2]
excellent Idea.. Thanks for the info.