What's the question? Could you rephrase it?
Gun shows, gun shops, e-gunparts.com
10-1000 USD depending on exactly what you have.
There are several different models of the 45 CAL. I would contact the manufacture and see if you can get a parts drawing.
No, simply faster.
Consult your owner's manual. It will vary depending on powder type, projectile weight and whether it is a rifle or hand gun. If you don't have a owner's manual, go to the maker's website. Most will let you download one or request a hard copy for free. If the maker is no longer in business, take it to a qualified gun smith and see if they can assist.
a hand gun
The bullet out of the gun will be travelling a lot faster, and with a lot more force than the bullet thrown by hand.
Gun store.
who invented the six shooter hand gun
The Thompson is classified as a submachine gun because it fires a pistol cartridge (.45mm) not a rifle cartridge. Another example would be the German MP-40 which used a 9mm cartridge or the M3 "Grease Gun" which fired either .45 or 9mm.
There is no registration of firearms, other than NFA licenced firearms, in Virginia.
break down a lorcin hand gun