antelopedundee
Well-Known Member
There is no such thing. cases with identical capacity, using the same loads will have the same velocity.
Again I'll post this link. Please read it.
Ammo: Does Case Shape Really Matter?
There have been a number of factory and wildcat cartridges that have played with case design. But has it had any real effect on ballistics?gundigest.com
There is no such thing as what exactly?