Hatcher's Notebook says the last Smith-Corona was serial # 4,845,831 and it was made 19 Feb 1944.

Remington made 03's, about 348,000 of them, till the M1903A3 was approved 21 May 1942.

An all correct Remington 03 is a hard rifle to find. An all correct 03 is a hard rifle to find, rebuilds are far more common.