I had the bolt locking back problem when I installed a replacement bolt catch on my CQBR open bolt. When I compared to the original I noticed that the flat part that contacts the mag had been grinded down on the original. After demelling the new bolt catch it now functions normally. I also had to dremel the elbow/shoulder part of the bolt catch to round it out a bit but that may not apply to the pdw.
Last edited by Fuzzy; August 16th, 2011 at 17:45..
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