Want this question answered?
Your rifle was made for Sears by Marlin, and is a model 336C.
The Sears model 2200 is the same as a Savage Model 80 Series A.
The Sears Model 42DL .22 caliber rifle was manufactured by Marlin Firearms, their Model 80. Check with Marlin for parts availability.
How Do you breakdown sears model 5Caliber 22 s.l. or lr sears
The sears model 6c-22 was made Winchester/ same as Winchester model#490
Your rifle was made for Sears by Marlin- it is their model 81- a popular rifle. Parts may be available on their website from gunpartscorp, or any good gunsmith.
One place to check for a magazine for an older model .22 rifle is at a pawn shop that trades guns. Another would be neighborhood yard sales.
go too sears.com and look for the part in storage or go to sears and ask the manager
I suggest you contact http://www.daisy.com/contactusand ask for an owners manual. The model 799.10276 was made for Sears by Daisy and reality it is a Daisy model 25
Repost with the model number, and we may be able to give you an answer.
http://www.histandard.info/manuals/sears/rfrifles/index.html
SN's were not required prior to 1968. Check the barrel, receiver.