The M1 Garand with serial number 5839851 was built in 1954. Specifically, it falls within the range of production that was taking place during that year, as the M1 Garand was manufactured from the early 1930s through the early 1960s. The exact month of manufacture can usually be determined through additional markings or information from the manufacturer.
your M1 garand was made in 1945
An M1 Garand with that serial number would have been manufactured in October of 1941. My reference says that Garand was built during May 1945.
your garand was produced in 1945. the M1 garand was to become a weapon in the US arsenal starting in 1936.
The M1 Garand was first fielded in 1936.
your garand was made in 1944
Your M1 garand was made in 1943.
your M1 garand was made in 1954
Your M1 garand was made in 1944.
Your springfield M1 garand was made in 1945.
your M1 garand was made in 1941
By the serial number.
The M1 Garand Rifles and M1 Steel Pots where manufactured in 1941 and fielded in 1942. The US M1 Abrams MBT (Main Battle Tank) was fielded in about 1978.