Yes the SP will do the job.
I used to load a lot of them, but noted lead bullet tips getting banged up quite a bit in auto-loaders.
But like Historian said, either one would hurt like h---
I assume you are asking about HD ammo, and don't plan on waging war against military vehicles or level III body armor wearing troops at 300 yards?
You can say what you like about not enough penetration, but having a .223 V-Max or SP bomb go off in your chest cavity would put Attila the Hun flat on his azz I betcha.
rc