Closest I've come is a 200 grainer on a Javelina.

Velocity wasn't all that high but expansion was violent and damn near excessive.

Post with pics here: http://www.huntingnet.com/forum/tm.aspx?m=2646218Bullet was recovered and photographed...

My opinion: This is a bullet designed to expand at handgun velocities, push it too much and it'll just come apart without penetrating enough.

Let us know how it works out for you!
BP

That being said, you sure as heck don't want to get hit with one at any speed!