Winchester never chambered the Model 70 in .30 Carbine.
Unless it was a single-shot pressure test gun for developing the .30 Carbine cartridge in WWII.
The pre-64 Model 70 Winchesters were produced in 18 calibers as follows:
.22 Hornet
.220 Swift
.243 Winchester
.250 Savage
.257 Roberts
.264 Winchester Magnum
.270 Winchester
7X57MM
.300 Savage
.308 Winchester
.30-06
.300 Winchester Magnum
.35 Remington
.358 Winchester
.375 H&H Magnum
.458 Winchester Magnum.
Also, a very few were produced in 7.65MM and 9X57 MM prior to World War II in an attempt to enter the foreign market.
A Savage 240 would be a .410 over & under shotgun.
But the 340 bolt-action rifle was never chambered in .30 Carbine either.
It was made in .22 Hornet, .222 Rem, .223, and 30-30 WIn.
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