I am trying to develope a light load for my 7mm. I want a bullet and load that is light and fast. I am currently shooting 150 grain nosler partitions and they work great but i am looking for something lighter for deer and antelope. I am looking for something in the 120 to 130 grain range. I have tried 139 sst's with no luck and i have heard that light bullets are tough to master. Anybody have any ideas???