Originally Posted by OSU_Sig
Originally Posted by ruffcutt
I read somewhere about the 327 federal magnum necked down to 20 caliber. Lost fewer cases than using the 357 case.
Don’t know why the 20 caliber/5mm isn’t more popular than it is in a small case.

That sounds interesting. Any word on performance?

I believe I read about it over on saubier.com. I did a quick google search but that didn’t turn up what I was looking for.


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