Savage began stamping the tiny oval on the "lever boss" (the extension of the receiver into which the lever fits and rotates) starting in 1949 when Savage put the letter "A" inside the oval together with other figures.
On many Model 99 rifles, this oval is indistinct as are the letters and figures inside the circle. On my own late model EG, serial #709XXX, made in 1953, only the letter E and the rear half of the ovals circumference barely show on the lever boss. The front half of the ovals circumference and whatever is inside the oval in front of the letter E is indistinguishable.
The letter "A" inside the tiny oval on the lever boss indicates the rifle was made in 1949. Therefore, the letter:
B = 1950
C= 1951
D= 1952
E= 1953
F= 1954
G= 1955
H= 1956
I= 1957
J= 1958
K= 1959
L= 1960
M= 1961
N= 1962
O= SKIPPED
P=1963
Q= SKIPPED
R= 1964
S= 1965
T= 1966
U= 1967
V= 1968
W= 1969
X= 1970
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Heres a clarifying point posted by Rick99 concerning the same matter: (modified by me 1/23/04 to include the years 1969 & 1970 as requested by Rick99)
The last year (sic
that Savage used the letters on the lever boss) was 1970. No "O" or "Q" (sic
meaning Savage did not use the letters O and Q in their annual lettering sequence on the lever boss). But don't bet your poke on what you see stamped. A lot of the letters, when poorly stuck, look like another and a lot of them are poorly struck! When in question ask us for a serial date. I can get you pretty close. My data is not real good on the 60's. I'm still working that area.
Rick....
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And heres another comment from Jed1899:
ok heres the scoop...O and Q were not used because of their look alike similarities....This info should be included...
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I hope this helps you and others to determine the year your Model 99 was manufactured.
Strength & Honor,
Ron T.