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Originally Posted by Greywuuf
I have found out just recently that if you go slow and in small steps ( I went 257 7mm 300 and then 358) that you can get a 223 WSSM up to 358
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I've got one 358 BFG(WSSM) built now, another barrel on order for the second build.
For what you can pick up the WSSM push feed model 70's right now, its not worth it to me to deal with the feeding issues of the SOCOM's rebated rim in a bolt gun.
As long as you hold to magazine length, the 358 feeds perfectly using the 180 SSP and Nosler 225 BT(the only two I've tried thus far).
No problem exceeding 358 Winchester velocities by bit with a 22" barrel.
I've been stepping up to 8mm and 338 along the way, and annealing at 30 caliber and again at 358 before I turn my necks to .012". Those necks look like hell after necking up(much like the interior of the necks look like on the 223 WSSM factory new brass).
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