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Old 03-17-2012, 15:12   #247
ak103k
Senior Member
 
Join Date: Sep 2009
Location: PA- In the shadow of the Shade
Posts: 705
If the shoulder was out of spec, and somehow contacting anything with a round under extractor, then the LCI would not fit flush with the slide on an empty chamber, and would protrude away from the face of the slide.

If you remove material at that point, then it will also not fit flush, but now in the negative, and would be to far inboard towards the breech face, and possibly interfering with the rounds coming up from the mag.

As far as it being in motion, from hand cycling a bunch of live rounds in a number of my Glocks, the extractors LCI still protrudes from the face of the slide all the way to ejection, and never drops to flush with a round under it. If it sits flush when empty, how can it be contacting anything if the case holds it away while there?
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