Proofhouse.com has Colt sn tables. You can also call Colt and they will tell you.
This is probably a replica revolver produced in Italy.
I believe along the top of the barrel. serial # might be in front of trigger guard, depending on type pf revolver......................
IN A SHOT GUN, BUTTSTOCK, RECIEVER, BARREL AND FORESTOCK. RIFLE= STOCK, BARREL, ACTION, AND BOLT OR LEVER. IN A PISTOL= REVOLVER, WE HAVE BARREL FRAME GRIPS, CYLINDER AND TRIGGER. SEMI AUTO PISTOLS= SLIDE BARREL FRAME GRIPS, AND MAGAZINE OR CLIP.
If your revolver is an Iver Johnson Viking, it is a top break revolver. Holding the revolver in your right hand (finger OFF the trigger) use thumb and forefinger of left hand to grasp barrel latch (between back of cylinder and hammer) lift the latch, and revolver breaks open. If this does not work, take it to a gunsmith.
Odds are it was made in Italy
front trigger fires right barrel. back trigger fires left. boone
Beginning of the barrel to end of barrel.
Yes, that is a fairly common barrel length.
Frame, barrel and cylinder
No one revolver, no one size, no one answer.
A rifle that has barrel removed- not likely. Revolver that has barrel removed- VERY likely.
A bullet that has left the barrel has marks left from its travel down the barrel.