I like to use 12x or more for load development had a weaver 18 fine cross hair scope I used just for loads. Ended up just leaving it on a rifle
Hunting depends
On the rifle
And target. Shot a coyote sunning himself in the snow at 400
Yds even wit a 223 and 3x9 scope
My prairie dog Guns always end up in 12 power no mater the max. Power