I've been shooting MG .40 180gr JHP without issues in my DW 10mm and CZ P06. I'm just about out of these bullets and I need to stock up. I was just going to order my same old JHP when it was recommended to me to get the FMJ instead as the FMJ have a reputation for better feeding in some semi-auto pistols. Duno, I'm rather new to handgun loading so I'll ask you guys, In general, for reliability is the FMJ and better choice than the JHP in a 40 S&W /10MM or doesn't it matter. Wanna kill these ads? We can help!