I AM NOT BUYING "MORE VELOCITY = LESS PENETRATION", WHAT I DO SEE IS THAT WITH THE WRONG BULLET "BULLET INTEGRITY"/PENETRATION SUFFERS AT HIGHER MV's. BTW, CAST BULLETS, EVEN "HARD CAST", ARE AMONG THE BULLETS THAT CAN EXPERIENCE BULLET INTEGRITY FAILURE/LESS PENETRATION IF YOU PUSH THEM TOO FAST.