It is tough without seeing it but my first guess would be that it was made by Savage Arms and is a Savage model 340.
western field is/was a mossberg company
Montgomery Ward and company made my Western Field model sb-100b.
The mossberg model 45A is the same gun as the western field model 47.
Your Western Field model 768 was made by mossberg for the Mongomery Wards company(Western Field).The mossberg model 800A is the same rifle as yours.
The Western Field model 31A was made by Mossberg and Sons firearm Company.The Mossberg model 40,or model 44 while be the same as your Western Field bolt action rifle.
Your Western Field model 46b was made for Montgomery Wards(Western Field) by the company Mossberg and Sons.The mossberg model 42 was made from 1935-1941 as the model 42,42A,42B,and model 42C.the western Field model 46b and the Mossberg model 42 are the same firearm.I hope that you find this informative.
mossberg
your western Field model 770a was made for Montgomery Wards(western Field) by Mossberg.The Mossberg model 472 and your rifle are one and the same.These rifles were made between 1974-1976.
Your western field model m766 was made by mossberg.The mossberg model 810B is the same firearm.
1960
Your Western Field model 37 bolt action rifle was made for Montgomery Wards(Western Field) by Mossberg and sons.The Mossberg model 30 and your rifle are one and the same.The Mossberg model 30 single shot .22cal rifle was made from 1933-1935.
Your rifle was made by the Mossberg firearms company,there model 353 is the Western field model 855a rifle.These rifles were produced by Mossberg from 1972-1985.