Your trigger looks...modified...The notch for the trigger lever is angled, where mine are all level/horizontal...and the front of the trigger looks to be bent more than mine...The spring looks odd, too...almost like a coil is broken...
The extractor cutout is peened back in two places that I can see...You might be right about the extractor itself being too long...that could cause the peening...
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I like my coffee the
way I like my women...
...Cold and bitter... 
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