I spoke with a firearms instructor for Home Land Security this week. Apparently they are issued H&K's 9mm. I understood him to say they were having problems as the "take down pin" (which may also serve some other function ie slide stop/safety. I'm not familiar with them as I've not owned one). Would work it's way out during firing, and the pistol would disassemble. I also understood that H&K has updated the new ones but refuses to correct the ones already issued. Just a heads up and wondering if anyone else knows anything about this. I'd like to know particulars as I will probably get one someday to see if I like them. Could just be "hear say", however the Gentleman seemed well informed.