I shoot Federal's American Eagle 115 gr FMJ for observe and Federal's HST 147 gr hollow factors for protection. I also utilize the Lucky Gunner tests like a Key criterion in making the decisions. Some folks want +P and also other ammunition that could penetrate over and above 18 inches. https://9mm-reloading-brass85295.mpeblog.com/67450868/5-simple-statements-about-9mm-dirty-once-fired-brass-explained