WA GBBR M4 Bolt Carrier issue!
For some reason the bolt carrier locks back cocked but won't release. It does this sometimes. What is the cause of that?
I manage to get it to slide back and then I greased the shit out of it, and it still locks back after a few fires!!
I don't understand why it does this!
Last edited by Thanh; August 2nd, 2010 at 17:29..
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