i was carrying an HK USPc in 357sig. I believe this is the ultimate auto self defense round. now i am carrying a 686 in a 6in barrel. why go from a compact auto to a 6in revolver? easy answer is accuracy. i still to this day would never question the reliability of the USP in 357sig but the accuracy of the revolver cannot be matched. i look at shootings like the kansas mall shooting and think, if i had to take a 60-100 yd shot trying to take a shooter out what gun would be the best for the job? i carry for protection and if you are being pinned down in a public place by a crazed gunman you may need to take the longer shot.