The letters MW in the serial number of your browning stand for the year of manufacture which was 2004.
1967
36 years old.
It was made in 1965
I would need to know the model of browning shotgun you are asking about in order to give you a answer to your question.
This was sold by Sears , made by Stevens between 1912 and 1942. It was not made by Browning.
You will need to include the Model of Browning shotgun,and type of shotgun in your question to get a correct answer.
Impossible to answer without knowing the exact model.
No way to answer without knowing the exact model.
No way to answer without a detailed description of all markings and features.
Your serial number indicates that you have a Browning auto-5 standard shotgun in 16 gauge,that was made in the year 1953.
No serial number provided
ONLY IF YOU WANT TO DAMAGE IT!!!!!!!!!!!!!!!!!!!!! Don't do it.