Making 351 WSL brass out of 357 maximum brass.
Start by cutting them off .215
De burr & chamfer
Turn the rim down .30
Then cut a slight relief above the rim.
Size and load normally.
What’s left over
View attachment 6194343
Altered on top, factory 357 bottom
View attachment 6194344
Factory 351 WSL brass on left, altered 357/351 on the right
View attachment 6194345
Adventures in brass for the .351 | Vintage Semi-Automatic Sporting Rifles
Well, here is my latest exploit. After experimenting with using modified .30 Carbine brass successfully, I spent quite a bit of time buried in every reference out there for all of the possible donors
vintagesemiautorifle.proboards.com