I've haven't seen this mentioned in a while, and since we have lots of new people here, I thought that this might be a help. Its a great site that explains lots of questions, with lots of diagrams.
The website Genitron
Genitron.com - Handgun Reference Resource
This website has:
a handgun database,search the on line handgun reference database
a handgun selector, a new database search tool. Select a gun based on caliber, dimension and weight specifications.
a handgun manufacturers list
interesting,odd and unique handguns
educational and other general handgun related information, including fully animated and interactive illustrations of the internal operation of a semiautomatic pistol and revolver.
Hands-On Reviews - Reviews of new pistols and revolvers on the market today.
360 Degree Handgun Views - Full 360 degree rotational views of various handguns that are featured on the website.
If you ever wondered about how a handgun worked, or about the weight, physical dimensions or even of what one looked like that you have heard being talked about, this website has lots of great information.
Its a good place to start looking for info...