The Mossberg 151 M-B, a semi-automatic .22 caliber rifle, was produced from 1951 to 1960. It was designed as a versatile and affordable option for small game hunting and target shooting. The rifle featured a unique design and was popular among enthusiasts during its production run.
The Mossberg Model 151-K was made for two years only: 1950 and 1951.
Check the Blue Book of Gun Values
havlinsales.com is the place I go for anything Mossberg. Vic Havlin and his wife Cheryl sell parts for, and repair Mossbergs, and run the Mossberg Collectors Assoc. Very nice folks to deal with.
No published sn data.I can say that the Mossberg model 151 semi-auto .22cal rifle was made from 1950-1951 if it is the model 151K.The model 151M was made from 1946-1947.The model 151M(a),151m(b),and 151(c) were made from 1947-1958 and were close to the model 151M with minor changes in the buttplate,and sights.
This semi-auto rifle was made between 1946-1951.
47-58
model 151 k with scope
Depending on condition, between $100 and $200.
Since these rifles were made prior to the 1968 Gun Control Act, they do not have serial numbers, so cannot be dated to a single year. However, the Mossberg 151K was only made for 2 years- 1950 and 1951. It will be one or the other.
Mossberg
You will have to contact Mossberg
If it is a Mossberg, it was made by Mossberg. They did make guns for a number of "store brands".