The Mossberg Model 800B was produced from 1964 to 1981. To determine its age, you would need to find the specific serial number, which can help identify the year of manufacture. If you have the serial number, you could look it up or consult resources specific to Mossberg firearms for more precise dating.
The Mossberg 800 series was made between the early sixties to late seventies.
No sn data in the public domain I know of.
Potential to 1 MOA
Average condition 225-275 depending on engravings and such
Your rifle which was made by Mossberg and is there model 800B will bring between 100-275 dollars,depending on overall condition and a good bore.
unknown
Your westernfield model M822 was made for montgomery wards(westernfield) by mossberg gun manufacturing company.The mossberg model designation for this gun was the mossberg model 640K.these were made by mossberg between the years 1959-1984.
Your montgomery wards westernfield model 47a was made by mossberg for montgomery wards.The mossberg model designation for this model is 45A.The mossberg model 45A was made between 1937-1938.
Made 60's-70's. 100-300 USD
They were made from 1958-1980.
The Mossberg Model 151-K was made for two years only: 1950 and 1951.
Your western field model 32 is actually a mossberg model 20 or model 21.The mossberg model 20,21 was made by mossberg between the years 1933-1938,for the montgomery wards stores(western field brand name).