I also have a 46A that was my grandfather's. It's the same as the Mossberg 42...but don't know the age. I'm trying to find that out for mine.
Your Western Field model 46A was made for Montgomery Wards(Western Field) by the firm Mossberg and sons.The Mossberg model 42 and your rifle are one and the same.These rifles were made by Mossberg from 1935-1937.They have a 7 shot magazine,24in.barrel.I hope you find this information of interest.
About $175.
50-200 USD
The Mossberg model 340K was made from 1958-1980.
Depending on condition, $100-$150
Yes, it is possible.
Mossberg Model 346K
10-150 USD or so
i have many mossbergs, s-l-lr is the 22 ammo the gun will accept. give me a model or kinda description and I'll give my best answer
46M was made 1940-45
The 93M series were Mossberg rifles. The 390A was a Mossberg 26C, made 1938-1941.