Thank you very much Sevens and spistols for your response. I am very happy to learn that I will have no magazine issues since i have plenty of spare 4506 mags. I just picked up my 745. It came with original box, docs and unopened tools and appeared to be in almost new condition. However, the internals were filthy! I don't recall ever buying a used gun that was so dirty. I'll probably finish cleaning it up today and hope to post a few pics on Monday. Thanks again for your help.

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I'm gonna grow fins.