I can say that the Savage/Stevens model 87 was made from 1938-1980,s.the original model 87 was made from 1938-1945 in the amount of 200,000 rifles.I am not sure of when the model 87D variant was made however.
Your Savage 99 was made in 1920...the same year the .300 Savage was introduced...
Your savage model 99 was made in the year 1910.
You will have to call Savage to find out.
Your savage 99 lever action in 300 savage caliber was made by savage arms in 1947.
Your serial number indicates that your Savage model 99 lever action rifle was made in the year 1930.That year Savage ended the year at serial number 334,500.
AS OF NOVEMBER 7, 2007 I WILL BE THE ONLY OWNER OF A STEVENS MOD. 87D THAT I RECEIVED FOR MY 13th BIRTHDAY. THE GUN WAS PURCHACED NEW IN 1957 BY MY FATHER AT A LOCAL HARDWARE IN ROANOKE VA. THEREFORE THE ANSWER IS " AT LEAST 50 YEARS " SINCE THE FIRST 87D WAS MADE.
If the gun chambered in 300 savage caliber is a savage model 99 then the rifle was made in 1940 by savage arms company.
With the serial number that you provided,your Savage model 99 rifle was made in the year 1951.
With the serial number that you have supplied;your Savage model 99 rifle was made in the year 1941.
Your savage model 72 was made during the years 1972-1989.
The Stevens/Savage model 987 was made from 1972-1989.
The Stevens 87D was manufactured by J. Stevens Arms Company from the early 1940s until the late 1960s. It is a semi-automatic .22 caliber rifle that gained popularity for its reliability and versatility. Production continued until the company was acquired by Savage Arms in 1960, after which the model was phased out.