After completing my conversion, to LEM thanks to TOP Gun Supply and the YouTube Video, I took my 45c LEM to the range.......First shot fired(ok I did everything correctly to change to LEM) very nicely......Takes a little getting used to as I was familiar with Sig DAK system but this is different.....Large back strap installed, I was hitting pretty well centered a few lower shots but overall fine...I then switch to small backstrap and everything went left....too small of a grip........changed back to large and then proceeded to get comfortable....................this firearm is incredible....no jams, no casings hitting me on the head like my Kimber and Kahr......This is an awesome handgun.....finally found my sidearm that I can trust.......Will load up more rounds soon, but thanks to HK for making an awesome weapon