It depends on the serial number, but it was mass produced from 1936-57.
your M1 garand was made in 1954
Your M1 garand was made in 1943.
Your M1 garand was made in 1944.
Your springfield M1 garand was made in 1945.
Your M1 garand was made in 1942.
your M1 garand was made in 1945
your M1 garand was made in 1940
Your M1 garand was made in 1945.
your M1 garand was made in 1941
your M1 garand serial number indicates your garand was made in 1939. the garand came about in 1936, so your rifle is a prize and would have significant value.
your springfield m1 garand was made in 1955.
your garand rifle was made in 1945