My father-in-law has lent me his CZ-52 in an attempt to fix it. The issue is one of two things. A) every 3-4 rounds, a round will become stuck in the chamber no matter if it has been fired or not or even hand cycled. -or- B) The slide is getting hung on the take-down tab. I looked at- I first thought the chamber needed to be polished, but upon further inspection the slide appears to be hangning on the take-down tab. When the pistol jams it gets stuck with 1/4'' before it goes into battery. When I pulled on the slide i noticed the take-down tabs moving and seem to be pushed down slightly, once pushed back up the pistol will slide into battery. When I go to manually eject the round it gets stuck again. Anyone had issues like this?