Another SA 30 Cal build

[806guns]

Hey guys im wantIng to build a 30 cal SA magnum. With lapua coming out with 300 WSM brass it seems like a no brainer. I am seeing threads with guys shooting the 210 bergers. I would like to stay in the 190-210 range for a SA Mag. Is the 300 wsm the better 30 cal SA mag cartridge? I see the 300 SAUM and 300 SS as well. Yes I know the oal restriction being a SA.

 

[Brucebarker024]

I could be wrong but I think the 300 SAUM would be easier to fit in a short action with the longer heavier bullets because of the shorter overall case length. I imagine speeds would be slightly lower but probably less than 100 FPS or so. Easier to find brass or just buy factory ammo for the WSM.