So what powder and how much are you using to get 2300 fps with the 150gr. SST in your .308 ??
TIA[/quote]

I've been watching for a response to your question also. I have a need for such a load for a 15-yr old niece, and now myself because of shoulder issues and trying to avoid surgery. The powders that come to my mind would be SR4759 or IMR4227. One of the 4198's would get there at a little lower pressures than the first two. I use SR4759 in an old Remington 721 30-06 and 30-30 flat point bullets for just at 2,300.That old aluminum but plate gets uncomfortable for me much above this speed.
Maybe the original poster will come along and let us know what combination he's using.

Rick