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AR15.COM
3/1/2009 2:55:08 PM EDT
Has anyone ever heard of the locking insert on a SIG or the breech block on the older stamped-slide SIGs failing or breaking?
3/1/2009 3:32:12 PM EDT
[#1]
Not unheard of, but not too common.  New, old, used, CPO, what model?  There was a short run of the newer "style" takedown levers that would separate from the locking insert, but that was recalled and taken care of several years ago.  Might still be a few out there that haven't been replaced, though.
3/1/2009 3:45:03 PM EDT
[#2]
No, I didn't have one break, and I've never heard of one of those two parts breaking, but was watching a disassembly video and got curious is all.  I imagine if they were to fail it would either be early on or after a very high round count.