read this on the SST,s
http://gunsandammomag.com/cs/Satelli..._C/Shock+Value
I just bought some to load in my 7-08
I live in Texas and have killed evreything we have to offer here with a .243 and regular ,ol bullets. For over 20 years.
I wouldnt worry about what your using, it will be more than exellent.