If you really think it is the nipple just use some emory paper to reduce the size a bit.
But if that doesn't work clean that bolt assembly. Blow back gets up in there and corroeds which causes slow striker movement till it has been worked once. That is why it is partofthe owners manual instructipons on cleaning after use.
Your not fully dressed with out a smile.
Last edited by alleyyooper; 12-17-2011 at 04:38 AM.