Pull it apart(field strip it) and make sure the recoil rod is in properly, then put your slide
back on the frame(check to see if the rails at the front are cracked or broken) and if it
doesn't do that again it was improperly reassembled...................
If it still does this, send it in to Taurus, as you would have a failure of the frame, and you DO NOT want to shoot it!!!!!