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Posted: 12/18/2001 5:06:35 PM EDT
Perhaps a rather trivial question but,
I just got my bushy m4gery upper, to put on Preban olympic lower.
When rotating upper into the lower it binds at the corners of the "insert tab, where the 2nd pin hole is"

Do I
1. grind on the brand new upper to make it fit my lower. (I hate to mess up the nice finish.)
2. Widen the inside of the lower which is more difficult and "cuts" the preban part.
3. Quit asking stupid question and grind away on wherever it takes.
Link Posted: 12/18/2001 5:13:02 PM EDT
well if your going to grind something grind the upper!! dont grind the lower since it worth alot more
Link Posted: 12/18/2001 5:13:53 PM EDT
if it fits with other uppers trim the upper.... trim the upper

Link Posted: 12/18/2001 5:59:11 PM EDT
Just took a bit of trimming and she's snug and in place.
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