We have them. gunshop@nctv.com
Try e-gunparts.com
Marlin- Mdl 80 with an adjustable trigger
I just picked one up for $80
The Ranger 36 cross-references to a Marlin 80 with an adjustable trigger. This model was manufactured from 1935 to 1939.
the ranger Mod 35 was made by savage mod 52B 1933-1937 E-GunParts.com
Under $100. sales@countrygunsmith.net
If not marked on the barrel, have a gunsmith check it out.
There have been several that fit that description.
the ranger Mod 34 was made by Marlin mod 65 e-GunParts.com
John Reid, vigilante and FORMER Texas ranger
Your gun is a Savage/Stevens Model 86. gunpartscorp.com has some parts. After that it is a long search.
Blue Book of Gun Values