Gander mountain usually has them.
$125
Both made by Marlin. The lever action .35 about $200, the .22 Mag about $125.
Not marked AFAIK
Your J C Higgins model 44 was made for sears by the marlin firearms company.The marlin model number is model 57M.The marlin model 57,and 57M were made during the years 1959-1965.
If you are asking what was the sn of the first post 64 Model 70 in 300 Win Mag, you will have to gain access to the Winchester records to find out.
go to e-gun part
The 7mm Ultra Mag is a Remington cartridge. THE model 70 is a Winchester rifle. Winchester does not chamber the Model 70 For the 7mm Rem. Ultra Mag cartridge.
Where can I find part for a Marlin model 57 rifle .22 mag
Look on frame inside the cylinder area to find the model number of a Smith and Wesson 357 mag snub 2 in stainless barrel
I believe it is made by Marlin model 57M also the Enfield 57M is the same gun as well, at least this is what my research is showing. Mine is a 22 mag and I am very happy with it, it works fine just like a Marlin.
22 Long
Try e-gunparts.com