Was any year model 70 ever chambered for 300 weatherby magnum?
Yes.The Winchester model 70 classic custom grade rifle was
chambered in .300 Weatherby Mag.This model was made from
1990-1994.The custom ultimate classic wcaliber as also available
from 1995-2006 in this chambering.The model 70 Winlite was
chambered in .300 Weatherby.This model was made from 1986-1990.The
model 70 classic stainless BOSS was available from 1996-1997 in
this caliber.The classic sporter BOSS was available in this caliber
in 1996.The classic sporter III was chambered for this caliber from
1994-2000.The model 70 sporter was chambered in this from
1989-1994.This model was also marked XTR sporter in 1989.