I have fired over 1,000 rounds of this ammo in a Beretta Brigadier and a Taurus P140 (both .40 S&W semi-auto pistols). I have not had a jam or a misfire. They seem to be accurate in that I can put 90% of them into a 5 inch bulls eye at 20 yards. I recommend them as a practice round. (I carry UMC Golden Sabres for engagement rounds). - T. R.