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Old Winchester 120 Primers

Found this.....
 

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  • Screenshot 2025-04-25 at 06-30-55 Winchester Large Rifle Primers #8-1_2 – 120 - Vortex Reloads.png
    Screenshot 2025-04-25 at 06-30-55 Winchester Large Rifle Primers #8-1_2 – 120 - Vortex Reloads.png
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According to a 1971 copywrite of a Sierra manual, the data for a 7x57 Mauser used a W-W 8 1/2-120 LR primer.
 
If I was to just be shooting them to use them up, I would test a few to see if they go bang. If they go bang, shoot them. The wooden trays may be valuable to a collector.
 
Wouldn’t hurt to post a photo of the label/box to a couple of reasons. First to try and date them. They are at least 60 years old, based on when wood trays stopped bing used. Then trying to make sure they are non corrosive.

You might be able to trade them to a collector and come out ahead.
 
pushes the date back 10-15 years. “Division of Olin” is the marker. Here’s a pretty good resource.

No idea of value and hassle of selling, but even the empty boxes are worth a few bucks if you shoot them. Cartridge or reloading collectors would be the market.
 
There is a lot of hassle selling these products. The problem is that if you do not have a UPS account, how do you ship such small items? Gets very pricey.
I know this as I have a large Cartridge Collection that I can not sell. If I were able to break it up I probably could. I would love to give the primers a new home, but will probably just shoot them at $100 a brick for today's cost.
Wonder what that brick cost then. $10 ??
 
If they were stored properly, they should function in your cartridges--and to answer your questions they are large rifle size---roger
 

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