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Discussion Starter · #1 ·
I'm new to the forums and I need help identifying what type of Weatherby Rifle we have. My wife inherited this rifle from her grandfather who was a WWII vet, not sure what difference that makes but I thought it might give some context.


I've determined it is a 30-378 Weatherby Magnum, but I can't find any Serial Number. I'll link to images below.
Please let me know if I can provide additional information or pictures that would help with identification.

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Any help is greatly appreciated!

Thanks,
Tyler
PXL_20201102_225649297.jpg PXL_20201102_225718202.jpg PXL_20201102_225722683.jpg PXL_20201102_225744559.jpg PXL_20201102_225806348.jpg PXL_20201102_225819576.jpg PXL_20201102_225837659.jpg PXL_20201102_225851167.jpg
 

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Discussion Starter · #5 ·
How did you determine that it is a 30-378? The barrel plainly has what appears to be "308"! Looks like the 378 may be a serial number.
I was not able to load 308 ammunition, so I assumed it was not a 308. I'm not certain it is a Weatherby either.

The 378 is the serial number.
Your rifle is not a Weatherby . It is a sporterized WW2 German military rifle known as the Mauser Model 98.
The most likely ammo for this rifle would be 8X57 cartridge.( Please take it to a gunsmith to make sure.)
I appreciate the advice. I've found a local gunsmith that has a good reputation. I'll bring it in and have him take a look at it.

With the 308 stamp my guess is it was rechambered to 308 but take it to a gunsmith to find out for sure.
Thank you taking the time to give me feedback. I thought the same thing, but 308 ammunition would not load. I'll get it to a gunsmith before I do anything else with it.
 

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Discussion Starter · #7 ·
If 308 won't chamber it's not a 30-378. It's probably still an 8X57.
I found this on another forum after looking closely at the WaA623 stamps that are located in multiple places on the gun:

WaA 623 is the proper Waffenamt for a Steyr produced K98k in 1941.
Which means it should be chambered for the 7.92×57mm Mauser cartridge.

Thanks for the help.
 

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Did you feed the 308 round from the magazine or put it in the chamber and try closing the bolt?
Since the Mauser is a CRF you have to feed the cartridge from the magazine.
The barrel seems to be an original military barrel. That would lead me to believe that it is still chambered for 8x57. Definitely take it to a gunsmith to find out for certain before attempting to fire it.
As a side note, the 308 Winchester cartridge will swim in a 30-378 Weatherby chamber.
 

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Discussion Starter · #11 ·
Did you feed the 308 round from the magazine or put it in the chamber and try closing the bolt?
Since the Mauser is a CRF you have to feed the cartridge from the magazine.
The barrel seems to be an original military barrel. That would lead me to believe that it is still chambered for 8x57. Definitely take it to a gunsmith to find out for certain before attempting to fire it.
As a side note, the 308 Winchester cartridge will swim in a 30-378 Weatherby chamber.
Loaded three rounds into the magazine, but wasn't able to close the bolt.

Thanks for the feedback.
 

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welp, I don't have a darn thing to offer but, I am as curious as a cat what you learn. The rifle is definitely all 98K and was originally 8 X 57...or 7.8 X 57.....or 7.9 X 57.....oh horse manure, 8mm Mauser.
 

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The outer contour of the barrel is the military contour, I have no idea what the 308 means but it isn't the caliber or chambering, perhaps it's a rack number. An 8mm Mauser would have a .323 groove diameter, and you can't rebore a .323 hole to .308. The rifle needs to go to a gunsmith and have a chamber cast made.
 

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Discussion Starter · #14 ·
welp, I don't have a darn thing to offer but, I am as curious as a cat what you learn. The rifle is definitely all 98K and was originally 8 X 57...or 7.8 X 57.....or 7.9 X 57.....oh horse manure, 8mm Mauser.
I'll reply to this thread when I have an answer. I missed the gunsmith today, but I'll catch him before the end of the week.

The outer contour of the barrel is the military contour, I have no idea what the 308 means but it isn't the caliber or chambering, perhaps it's a rack number. An 8mm Mauser would have a .323 groove diameter, and you can't rebore a .323 hole to .308. The rifle needs to go to a gunsmith and have a chamber cast made.
Well said. I suspect it is still chambered for the 8mm. I'll get it to a gunsmith by the end of the week.
 

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Discussion Starter · #15 ·
The 378 is the serial number.
Your rifle is not a Weatherby . It is a sporterized WW2 German military rifle known as the Mauser Model 98.
The most likely ammo for this rifle would be 8X57 cartridge.( Please take it to a gunsmith to make sure.)
You were correct

welp, I don't have a darn thing to offer but, I am as curious as a cat what you learn. The rifle is definitely all 98K and was originally 8 X 57...or 7.8 X 57.....or 7.9 X 57.....oh horse manure, 8mm Mauser.
It was an 8mm Mauser. Still chambered for 8mm. You can see details in my update to the original post!

Will do. I'm curious if it actually was rechambered... the prominent 308 stamp is confusing.
It was not rechambered. It still fired 8mm. The gunsmith thought the 308 was some type of manufacturer's stamp.

The 378 is the serial number.
Your rifle is not a Weatherby . It is a sporterized WW2 German military rifle known as the Mauser Model 98.
The most likely ammo for this rifle would be 8X57 cartridge.( Please take it to a gunsmith to make sure.)
You nailed it. It was also still chambered for 8mm.
 
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