Yes, I have used them and I have them loaded in my Ruger KP-97 as my defensive round. The Bullets are made by Barnes, the case is PMC and they use Hodgdon powder. I shot these through my KP-97 in informal testing and they produced a perfect 6-petal mushroom every time....just like the picture. They have a deep hollowpoint, but the profile feeds well. I chose them because with the shorter barrel KP-97, and apartment living, I wanted a round that would reliably expand over a range of velocities. I get them from Sportsman's Guide for $14 plus shipping, so $15 is a good price.