Posted: 3/19/2012 11:31:09 PM EDT
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Forgive me if someone (or even I) commented on this before but Search doesn't seem to be working ATM.
I have a M4LEP22 upper and It "looks" like the flash hider may be pinned. Before I took a wrench to it to remove the gas block I wanted to make sure. A guy a black rifle told me some where and some weren't. The barrel from chamber to barrel threads is 16.5" so I don't know why it would be pinned.
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