Yes
Without a better description, 300-900
Buy the serial number.If your Winchester model 70 rifle has a serial number lower than 581,470,then it was made prior to the manufacturing changes in 1964.
100-10000 usd
1958
To shoot the rapids
450 is half way between 300 and 600.
´´´´´´´´´´´´´´´´´´´´´´hhhhhhhhhhhhhhh´´´´´´´´´´´´´´´´´´´´´´ ´´´´´´´´´´´´´´´´´hhhhhh´´´´´´´´´´´´´hhhhhh´´´´´´´´´´´´´´´´´ ´´´´´´´´´´´´´´hhhh´´´´´´´´´´´´´´´´´´´´´´´hhhh´´´´´´´´´´´´´´ ´´´´´´´´´´´´´hhh´´´´´´´´´´´´´´´´´´´´´´´´´´´´hhh´´´´´´´´´´´´ ´´´´´´´´´´´´hh´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´hh´´´´´´´´´´´ ´´´´´´´´´´´hh´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´hh´´´´´´´´´´ ´´´´´´´´´´hh´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´hh´´´´´´´´´´ ´´´´´´´´´´hh´hh´´´´´´´´´´´´´´´´´´´´´´´´´´´´´hh´hh´´´´´´´´´´ ´´´´´´´´´´hh´hh´´´´´´´´´´´´´´´´´´´´´´´´´´´´´hh´hh´´´´´´´´´´ ´´´´´´´´´´hh´hh´´´´´´´´´´´´´´´´´´´´´´´´´´´´´hh´hh´´´´´´´´´´ ´´´´´´´´´´hh´´hh´´´´´´´´´´´´´´´´´´´´´´´´´´´´hh´hh´´´´´´´´´´ ´´´´´´´´´´hh´´hh´´´´´´´´´´´´´´´´´´´´´´´´´´´hh´´hh´´´´´´´´´´ ´´´´´´´´´´´hh´hh´´´hhhhhhhh´´´´´hhhhhhhh´´´hh´hh´´´´´´´´´´´ ´´´´´´´´´´´´hhhh hhhhhhhhhh´´´´´hhhhhhhhhh´hhhh´´´´´´´´´´´ ´´´´´´´´´´´´´hhh´hhhhhhhhhh´´´´´hhhhhhhhhh´hhh´´´´´´´´´´´´´ ´´´hhhh´´´´´´hh´´hhhhhhhhh´´´´´´´hhhhhhhhh´´hh´´´´´´hhhh´´´ ´´hhhhhh´´´´´hh´´´hhhhhhh´´´hhh´´´hhhhhhh´´´hh´´´´´hhhhhh´´ ´´hh´´´hh´´´´hh´´´´´hhh´´´´hhhhh´´´´hhh´´´´´hh´´´´hh´´´hh´´ ´ hhh´´´´ hhhh´´hh´´´´´´´´hhhhhhh´´´´´´´´hh´´hhhh´´´´ hhh´ hh´´´´´´´´hhhhhhhhh´´´´´´hhhhhhh´´´´´´hhhhhhhhh´´´´´´´´hh hhhhhhhh ´´´´´hhhhhhhh´´´´hhhhhhh´´´´hhhhhhhh´´´´´´hhhhhhhh ´hhhh´hhhhhh´´´´´hh hhh´´´´´´´´´´´´´´hhh´hh´´´´´hhhhhh´hhh´ ´´´´´´´´´´hhhhhh´´hhh´hh´´´´´´´´´´´hh´´hhh´´hhhhhh´´´´´´´´ ´´´´´´´´´´´´´´hhhhhh´hh´hhhhhhhhhhh´hh´hhhhhh´´´´´´´´´´´´´´ ´´´´´´´´´´´´´´´´´´hh´hh´h´h´h´h´h´h´hh´hh´´´´´´´´´´´´´´´´´ ´´´´´´´´´´´´´´´´hhhh´´h´h´h´h´h´h´h´h´´hhhh´´´´´´´´´´´´´´ ´´´´´´´´´´´´hhhhh´hh´´´hhhhhhhhhhhhh´´´hh´hhhhh´´´´´´´´´´´´ ´´´´hhhhhhhhh ´´´´´hh´´´´´´´´´´´´´´´´´hh´´´´´´hhhhhhhhh´´´´ ´´´hh´´´´´´´´´´´hhhhhhh´´´´´´´´´´´´´hhhhhhh´´´´´´´´´´ hh´´´ ´´´´hhh´´´´´hhhhh´´´´´hhhhhhhhhhhhhhh´´´´´hhhhh´´´´´hhh´´´´ ´´´´´´hh´´´hhh´´´´´´´´´´´hhhhhhhhh´´´´´´´´´´´hhh´´´hh´´´´´´ ´´´´´´hh´´hh´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´hh´´hh´´´´´´ ´´´´´´´hhhhh´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´´hhhh´´´´´´´
To determine the genotypes of the parents in the pedigree, we need to analyze the possible combinations. The combinations of HH and Hh would produce offspring with either HH or Hh genotypes. The combination of HH and hh would produce offspring only with Hh genotypes. The combination of hh and hh would produce only hh offspring, while Hh and Hh would yield a mix of HH, Hh, and hh. Therefore, the possible genotypes of the parents could be HH and Hh, or Hh and Hh, depending on the offspring observed in the pedigree.
Browning.com for a manual and serial number dating.
HH and Hh; Hh & Hh;Hh &hh; HH & hh
Various grades were offered. Standard, Custom, etc..
The 300 Winchester Magnum was not introduced until 1963. So yes most likely it is the H&H. I would do a chamber cast to make sure though. Both the .300 Win Magnum and the .300 H&H Magnum were standard calibers for the Model 70 in that era, with the .300 Win Magnum the more rare of the two. If your rifle is only stamped ".300 Magnum" it is more likely the .300 Win Magnum. You will want to have the chamber cast and the caliber verified before attempting to fire the rifle. I am lucky enough to own a pre 64 model 70 win,in the 300h&h.It is stamped 300 H&h Maginum.If your gun is stamped 300 Magnum , it is probally a 300 win mag.