I’ve got 75 grain bonded core

If you just increase the mass by 20% shove a solid dense core in then it does better!

/s

Shit, even run of the mill M193 will defeat level 4 plates out of a 20" barrel.

Wildy, just wildly untrue…

To be certied level 3, you need to stop a m193

Like by the very definition of level IV, it can stop m193

Who is telling you this stuff and why were you believing them?

This isn’t secret or even hard to obtain information