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12/5/2009 2:55:56 PM EDT
So, I just opened my new Bravo Company BCG and there was a tiny o-ring in the bag. Was that a mistake or does it go somewhere?
12/5/2009 3:26:42 PM EDT
[#1]
Generally unnecessary, included just in case you want to install it around the extractor spring.
12/5/2009 3:50:24 PM EDT
[#2]
**WARNING**

Do not install that o-ring if you intend to reload your brass.  That is an "extra strong" extractor spring upgrade and it can do serious damage to the rim of your brass.
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