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[ARCHIVED THREAD] - CMMG dedicated upper FSB question

Posted: 11/10/2012 8:38:42 PM EDT

Do the 22 uppers with a fixed FSB have pins or set screws?

Posted: 11/11/2012 5:07:38 AM EDT

[#1]

If it has a standard front sight base then they are pined on, if it has a gas block then I am not sure.

Posted: 11/11/2012 5:08:54 AM EDT

[#2]

FSB is pinned.
Gas blocks are set screw.
Dave N

[ARCHIVED THREAD] - CMMG dedicated upper FSB question

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