It's something you keep track of yourself (and the fact that you didn't is a bit worrying). If you know the dealers you purchased firearms from, you can call and see if they're willing to pull the records of sales they made to you. That's really about all you can do.
No
NO, but the USS Arizona had huge guns. 18 in in diameter.
No they are not illegal.
Federal law - 18 for long guns, 21 for hand guns.
No.
Black List - L.A. Guns album - was created in 1985.
potato guns are not allowed to fire projectiles. that would make them illegal, but you can have one
Air Soft guns. Yes
I have two bookcases full of reference books- and THEY do not show ALL of the guns that have been made. There is no one list.
Toy guns can be purchased at nearly any large box store in the United States. Toy guns resemble real guns in shape but are often colorful to differenciate them from real guns.
Try a periodical called "The Gun List" You can also reference the Blue Book of Gun Values which can be purchased on line at various retailers. For prices sold, try the gunbroker.com or
I don't think there is a list. Records are kept where you buy a gun, but what if you bought guns in more than one place.