Can't be answered without a DETAILED description of ALL markings, barrel length, finish, grips, sights, box, accessories, papers, condition.
chrome lined barrels dont foul up as much. It keeps the barrel free from gunk.
Identifies the barrel as suitable for modern loads.
Winchester made 2000 of these 30-30 Trapper model (16" barrel) for the 1999 "Shot Show Special" origianal price was $499 but have sold for as high as $1700.
The ones listed on the barrel. Stay away from steel shot.
trying to see who and where it was maked
You push down on the front of the barrel or do something to it to make the front part open up pointing forwards then put caps in
Model numbers were not used until @ 1957. Chiefs Special or if after 57 a Model 36
5 shot, 38 spl, revolver I thought Colt only made 6 shot revolvers
You will need a professional appraisal.
ctg = cartridge
Check the receiver and barrel.
Yes you can. Lead Shot is Lead Shot. I shoot all kinds of different sizes of shot out of my Mossberg and Remington Shotguns. What you do not want to do is shot a slug out of barrel made for shot. Get a rifled barrel for that.