We were up on the IPSC range this morning and the little woman was having fun shooting falling plates when I heard a very loud report and she shook her head and staggered back. She was shooting her little Walther P22 and it blew up. The top of the slide was missing and she had one little bit of brass in her face. There was a large ding in her glasses but she was none the worse for wear after we picked the brass out of her skin. Thank you Lord! It was high quality ammo and the pistol is in good repair and is her carry gun. The brass case is still in the chamber and the head was stuck in the steel part of the bolt face. Must be a good design because everything went away from the shooter. All I can figure is that the cartridge was loaded too hot. We are in the process of sending the gun and ammo away to get it replaced and they will determine what happened. I've shot lots of the same lot of 22's through my SIG conversion with no problem and many went through the Walther too. Maybe one in a million that got out. We'll see.