The Master Mag model CC880 was produced by Mossburg sometime in the 1970's
100 or so
No published sn data.
Volunteer arms 12 shotgun model 94042?
your model 12 Winchester shotgun was made in 1924.
your model 12 Winchester shotgun was made in 1959.
your model 12 shotgun was made in 1956.
Your winchester model 12 shotgun was made by winchester in 1920.
your Winchester model 12 shotgun was made in 1949.
Your winchester model 12 shotgun was made by winchester in 1937.
your Winchester model 12 shotgun was made in 1953.
Your winchester model 12 shotgun was made by winchester in 1947.
your model 12 Winchester shotgun was made in 1937.so the age of your shotgun is 73 yrs.old.