Originally Posted by OKFC05
This idea of slow heavy bullets in 9mm/.38 caliber cartridges was cutting edge technical thinking ..........by the British in WWI.
It works as well as it ever did, but has been surpassed by modern defense bullets and powders in energy, keeping necessary penetration.
OK, it's an old idea. But the new construction and the designed expansion of bullets at certain velocities as well as new powders, may breathe new lie into it.