My JH45 will not feed from a full magazine on an empty chamber, but if I only add two rounds or hand insert a round in the chamber and then add the full magazine it will run like a champ. Once it gets going there are zero issues until the magazine runs out. Everything except the frame has been replaced. The rounds get stuck in an upward position. I have put less than 300 rounds through so far. Any suggestions? I used Tula, Wolf, and Federal and magazines are all new.