My particular Sendero in 7 mag didn't care for the HSMs but for some strange reason it did pretty well at 650 with some inexpensive stuff I bought for plinking.
Midway Prvi Partizan Ammunition 7mm Remington Magnum 174 Grain Pointed Soft Point.
is especially fun because you're almost always within sight of some; so if you blow a stalk you can regroup and try again. The weather is usually nice and there isn't the same kind of pressure that comes with elk or mule deer hunting
. It's all fun though!