Numrich gun parts corp.They may be found on the web.
That should be a Marlin 100 made with the Sears name. You cuold try Numrich Gunparts at the link to the right >>>>
Made by Marlin from 1962-1965. We have some parts for that model. gunshop@nctv.com
I have a Marlin Firearms Co. 12 gage, bolt action shotgun.
E-gunparts.com http://www.e-gunparts.com/productschem.asp?chrMasterModel=082Zz81
We have 10-rd magazines for that model. sales@countrygunsmith.net
By also providing the serial number in your question.
The Sears Model 42DL .22 caliber rifle was manufactured by Marlin Firearms, their Model 80. Check with Marlin for parts availability.
Try gunpartscorp.com
The Sears Model #41 was made by Marlin Firearms and was a duplicate of their M# 101. This model was discontinued by Marlin in the late 1970's. You might try your local gun shop as a starting point.
The J C Higgins model 41 /103 19770 Was made by Marlin Firearms.1959 .103 is the Sears vendor code for Marlin .The model 41 is the same as the the Marlin Glenfield model 10. These are very nice little rifles that are well known for accuracy.
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
Find a copy of the Gun Digest Asembly/Disassembly book for rimfire rifles the Model 190 may be in there with detailed instructions. If that fails, contact a local gunsmith.