Super Vel made ammo to match the LEAA computer simulation models of the 70s that insisted that light, fast bullets that created a "temporary stretch cavity" resulted in the best stopping power instead of the long, time tested, heavy, wide, deep penetrating bullets that created the best permanent wound channel.
As we all know now by hindsight, the LEAA computer simulation model theory has now been completely discredited, and ammo built to perform in accordance therewith was not as effective as theorized by LEAA.
It is unknown how many lives of LE officers were lost due to the federal government's LEAA agenda of low weight, high velocity, temporary stretch cavity, but I am fairly certain that everyone finally got the wake up call after the infamous Miami FBI shootout.
The Winchester Silvertip round fired by Agent Jerry Dove from his 9mm S&W 459 that didn't penetrate far enough to kill Michael Platt was designed to perform perfectly according to the LEAA temporary stretch cavity theory and did not have adequate penetration to stop Platt, stopping an inch short of his heart.
Your Super Vel rounds are collector's items. Treat them as such, and do not use them for defense, lest you be disappointed, or worse, if they are called upon and do not perform.