Thread: WE M4 bolt won't lock open on last round
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Old September 10th, 2010, 13:29   #3
technosnob
 
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Join Date: Aug 2008
Location: Toronto
You may want to start here....

http://www.gasguns.info/forum/viewtopic.php?f=43&t=2605

This forum is a good source for all things GBBR
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