I've never seen the why of the 150 NP - it's a squatty little, low BC/SD bullet. I get a mono in 150 gr's, but if I wanted more than a CC 150 and didn't want a mono I'd go with a 165 in a Partition or whatever.
“Perfection is Achieved Not When There Is Nothing More to Add, But When There Is Nothing Left to Take Away” Antoine de Saint-Exupery
