"Leon and Ella,
What bullet weights are you using?"
I lean towards the 170's but only because they shoot more accurately in my old Glenfield. I've used 150's as well and plan to use some this year as I bought a box of that weight by mistake. I've never noticed any meaningful difference.
Ella
The Partition only comes in 170 and I prefer the better accuracy of the 170 Hornady also.