Thanks for the pictures. It's interesting to notice different manufacturers having different versions of this pin retaining wire. On WASR-10/63, it looks different. Please note the wire does not positively lock into the trigger pin groove. It marginally touches the trigger pin!! No wonder the trigger pin could drop out during firing. I can blame Century Arms for their low quality, and work around the problem by rearrange the position of the folding a little bit, but I will go the better way -- install a pin retaining plate into this rifle.
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