Model 70 Winchester pre-WWII has 300MAG as the caliber. My question is what 300Mag?

jckeffer · May 21, 2020, 08:53 PM

I didn't think Winchester had a model 70 Rifle 300MAG that early or that the Winchester 300mag was available that early. Was there another 300 mag chambering for the Model 70?

Jim Watson · May 21, 2020, 09:13 PM

.300 H&H

**44 AMP** · May 21, 2020, 09:31 PM

The only .300 Magnum that existed before WWII was the .300 H&H Magnum.

introduced as a cartridge in 1925, and chambered in the Win M70 in 1937.

The next .300 Magnum in the Model 70 was the .300 Winchester magnum introduced in 1963.

langenc · June 12, 2020, 04:20 PM

Id love to find one of them in 222... anyone?

Scorch · June 13, 2020, 01:34 AM

Quote:

Id love to find one of them in 222... anyone?

Pretty hard to find a pre-war ANYTHING in 222 Remington. The 222 Remington cartridge was developed in 1950, 5 years after WW2.

Jim Watson · June 13, 2020, 08:54 AM

There were some Hornets converted to .222. The quickie conversion was a rechamber and bolt face job, there were a few deluxe rifles with working magazines.

May 21, 2020, 08:53 PM	#1
jckeffer Senior Member Join Date: July 29, 2007 Posts: 185	Model 70 Winchester pre-WWII has 300MAG as the caliber. My question is what 300Mag? I didn't think Winchester had a model 70 Rifle 300MAG that early or that the Winchester 300mag was available that early. Was there another 300 mag chambering for the Model 70?

May 21, 2020, 09:31 PM	#3
44 AMP Staff Join Date: March 11, 2006 Location: Upper US Posts: 21,579	The only .300 Magnum that existed before WWII was the .300 H&H Magnum. introduced as a cartridge in 1925, and chambered in the Win M70 in 1937. The next .300 Magnum in the Model 70 was the .300 Winchester magnum introduced in 1963. __________________ All else being equal (and it almost never is) bigger bullets tend to work better.

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May 21, 2020, 09:13 PM	#2
Jim Watson Senior Member Join Date: October 25, 2001 Location: Alabama Posts: 16,265	.300 H&H

June 12, 2020, 04:20 PM	#4
langenc Senior Member Join Date: August 19, 2007 Location: Montmorency Co, MI Posts: 1,390	Id love to find one of them in 222... anyone?

June 13, 2020, 08:54 AM	#6
Jim Watson Senior Member Join Date: October 25, 2001 Location: Alabama Posts: 16,265	There were some Hornets converted to .222. The quickie conversion was a rechamber and bolt face job, there were a few deluxe rifles with working magazines.