I've run several thousand of the 9mm/357sig frangible's through my Ruger and CZ. Not pulled, but new from Midway. The 9mm's worked just fine, just make sure to follow the guidelines about not applying too much crimp. If you score the bullet at all, it may/will fracture it right at the top of the case. These broken ones are very difficult to remove even with an ineria hammer type bullet puller. Ended up loading one at a time and firing them. Had to hand eject each one as there wasn't enough to move the slide. I found Federal and Winchester brass worked best on these, no breakage with this brass.
I also saw the RMR pulled frangibles, and personally would be hesitant to buy them unless I could be guaranteed they were not scored in any way during the first loading attempt. If they have a score line from the previous/initial load, they have a stress riser at the score line and will be more prone to breakage when moving from the mag up the feed ramp.
