Retired Posted January 6, 2015 Share Posted January 6, 2015 I did a forum search and couldn't find any threads that answer my question. I received a set of meprolight night sights as a Christmas present. Looking at the package, it says they are for M4's built before 2002. Is there a big difference between pre-2001 sights and post 2001 sights? i.e. can I (or a good gunsmith) make these work, or do they go into the parts bin? Quote Link to comment Share on other sites More sharing options...
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