Originally Posted by flop-shank

I don't know about 1100 fps., but XTPs as loaded by Fiocci, in their Extrema line of ammo (.380 Extrema test results are in the Perma-Gel threadpost #6) penetrate well. Sometimes pushing a bullet faster will make it penetrate deeper, sometimes it will penetrate less. A lot depends on the velocities involved and the design of the bullet.

Erich, thank you for your response at the end of page two.

Sven, I don't dutch load my weapons. I pick a load that I like and just run with it. YMMV.