Try this link...
http://putfile.com/pic.php?pic=6/16902292037.jpg&s=f5

Just uploaded it...little fuzzy, but you can see the spring lock across the groove in the barrel.

.

__________________
[http://languageandgrammar.com/2008/01/14/youve-got-problems-not-issues/ ]

"A liberal is someone who feels they owe a great debt to their fellow man, which debt he proposes to pay off with your money."