Weatherby Serial Numbers

Mark V

No Prefix - Mark V (USA) PFI: (1958 -1959)
No Prefix – Mark V (Germany): (1959 – 1973)
H – Mark V (Japan): (1972 – 1994)
M – Mark V Silhouette Pistol: (1980 – 1981)
P – Mark V JPS (Germany): (1964 – 1973)
S – Mark V (Japan): (1972 – 1994)
S0 – Mark V Varmint Master (Japan): (1980 – 1981)
S1- JPS Mark V Varmint Master: (1964-1973)
AB – Mark V Std. Caliber – 6 Lug Receiver: (1996 – 1998)
AS – Mark V Std. Caliber – 6 Lug Receiver: (1996 – 1998)
BP – Mark V Std. Caliber – 6 Lug Receiver: (2004-2015) 
BW – Mark V Magnum – 9 Lug Receiver: (2002 – 2004)
PB – Mark V Magnum– 9 Lug Receiver: (2004 – 2012)
PM – Mark V Magnum– 9 Lug Receiver: (2015-2019)
PS – Mark V Std. Caliber – 6 Lug Receiver: (2015-2019) 
SB – Mark V Magnum – 9 Lug Receiver: (1995 – 2004)
SS – Mark V Magnum – 9 Lug Receiver: (1994 – 2002)
SW – Mark V Magnum – 9 Lug Receiver: (2002 – 2004 )
WB – Mark V Std. Caliber – 6 Lug Receiver: (1998 – 2004)
WS – Mark V Std. Caliber – 6 Lug Receiver: (1998 – 2004)
WY – Mark V Magnum – 9 Lug Receiver and Std. Caliber – 6 Lug Receiver: (2019-present)

Mark XXII

AC: 1981-1982
AS: 2006
AT: 1971-1982
J: 1967-1971
JC: 1984-1988
JT: 1984-1988
N: 1972-1980