I've been resizing 308 to 300 Sav for many years. I actually prefer the accuracy I get from my resized 308 Federal brass verses 300 Sav factory new Winchester which I also have a generous supply of. There are obvious differences seen in the two necks. But the 300 Sav base also shows a slight difference in its machining but not as obvious as the neck, shoulder, & body areas do. Those who think the 308 is a direct decedent of the 300 Savage. In a way I don't think it is. As there are just to many different major & minor design differences between the two cartridge cases. Am I wrong to think that way?
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