This is a vid of them shooting the croc to get the arm back. I think I would have used something alot bigger than a pistol.
http://my.break.com/content/view.aspx?ContentID=272869
And here's a vid of some idiot getting his arm bitten off while performing in a croc show. Ouch, when it starts spinning you know he's losing that hand.
http://www.break.com/primeval/asian_...ter_owned.html