Although both are interchangeable, a true Sweet 16 barrel will have three holes drilled through the barrel band. This was one of the ways Browning lightened the barrel. The rib will also be a smidge thinner than on a regular barrel.
Check the barrel and receiver.
No
Check the receiver and barrel
it would be stamped on the right side of the barrel.
Check the barrel and receiver.
The Browning Sweet 16 is a 16 gauge shotgun manufactured in Belgium. It uses a true 16 gauge barrel and as such is a wonderful shotgun. To a hunter this is a sweet weapon.
200-500 USD
Look on the barrel, it will be marked with the correct ammunition.
Belgian proofmarks, year of manufacture, barrel inscription. == ==
left side of barrel usually
Can't be answered without a detailed description of all markings, finish, barrel length, condition, accessories, box, papers, etc..