I have seen post on other boards with pictures of Winchester's next offerings: a .243 WSSM and a .223 WSSM. I think if you want to build the 6 WSM go for it but the 2 rounds that you compare it to are overbore. I really don't believe you would get much more velocity with the 6 WSM than you would with the WSSM but you would use more powder. Just my thoughts good luck with your project. Sean
6mm-300wsm
Hi ! just starting next venture ,( 6mm-300wsm ) Has anybody else tried this out yet ? Looking for any available load data that may be out there? Any help will be apprecieated. Thanks .
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