Folks talking about stuff, like E and Mannlicher, who have no experience with it all are funny.
And, dead wrong.
Between myself and two uncles, we've killed literal dozens with the 170 Core-Lokt JHP and the 150 Power-Point JHP over the last 15 years.
Absolutely devastating bullet.
In a .30-30, it's (IMHO and EXPERIENCE) THE bullet.
Definitive expansion, very good penetration, superb wound channel. And, plenty good accuracy.