Originally Posted by ElectroMotive

No, they arent. Physics being what it is, you cant get a 12 gauge loaded with your choice of shot or slug to knock a man down, therefore you wont get a pistol round to do it either. Therefore "knock down power" is inherently false, and thus fantasy.



So what are you arguing for and against?

There is no difference between service calibers in "knock down power" because "knock down power" doesnt exist. Its a term of ignorance, nothing more. Other terms that can thrown in with it are "energy dump", "stopping power", "one-shot stops",
"hydraulic shock", "hydrostatic shock", etc.

The term used by informed people is "terminal performance". As in "Hey Bob, Bullet A's terminal performance closely mirrors Bullet B's terminal performance." Terminal performance deals in what the bullet actually did in the target, not what the person thinks it will do or believes it will do.