How long is a USGI connector lock pin

The US pin is thicker than the chinese pin. You have to make a copy of a chinese pin in the US length........
 
Hope I get the terminology of this thread right here: For a Norinco, how do you get the "lock pin" out of the connector? I think it should just pull out but I can't get it to come. I would rather save it, but if I have to put any more plier teeth marks on it I may as well take an angle grinder to it.
 
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