I'm not sure why your 617 doesn't rattle if shaken hard enough. According to Numrich schematics, it should have one unless it was dropped in later models.
Here's what the part looks like: http://www.google.com/imgres?imgurl=...ch&um=1&itbs=1
Rednecks... Keeping the woods critter-free since March 2, 1836. (TX Independence Day)
I'm going to use the words "clip" and "Long Colt" every chance I get. It grinds my gears to see new members attacked when we all know dang good and well what's being refered to.