Thru website for gunpartscorp. Look under Savage/Stevens/Springfield. They have them in stock for $12.75 plus shipping.
Try e-gunparts.com. Do a web search.
Find a good gunsmith.
Should be on the barrel by the breech. It may be partially covered by the stock. In that case you will have to remove it.
Usually it printed on the left side of the breech or barrel.
I have a Savage Model 120 rifle; I would not sell the bolt but would consider selling the rifle with the bolt in it. My e-Mail is Webmaster@dairl.com
Look in gunpartscorp.com website
You can't find them. What you can do is offer to buy my whole rifle which has a good bolt in it. I'll take a newer Marlin 981t as trade. tackleberry65@hotmail.com
it is a shot gun not a rifle
List all the markings that ARE on the rifle. sales@countrygunsmith.net
Egunparts.
I would first look at numrich gun parts.
Usually it's on the barrel close to the breech. Unless it's a really old Benjamin and then it may not have one.