Numrich Arms has a bunch....

by Glen, Sunday, September 01, 2013, 09:19 (4045 days ago) @ kevin

....of parts for the Sears 3T:

http://www.gunpartscorp.com/Search.htm?s=sears+model+3T&cat=3T+SEARS.

....unfortunately the breech bolt is sold out. It looks like many of the parts are interchangeable with other models, but not all of them.