If there is one you like or one you have in mind,
have a look on the for sale section on this bbs.
You will have to pay a bit extra for the shipping but if you really want one this might be a option.
If you dont know what gun you want post another topic asking about the types of gun to suit you, people on here will be glad to assist you.
or you could look through hundreds of posts on the diffeent types of gun !!