Hi everyone, I just started having problems while shooting my M&P shield 45, the magazine is dropping down a bit while slow firing the pistol. After the recoil of the shot at times not every mag full, you can feel the mag. drop down about a 1/4" with live in round stuck in the chamber. I'm very use to heavy recoiling revolvers, 44 mag and 357. Two 40SW, Glock and a Sig. also I'm a left handed shooter. The mag. drop happens with all the extra mags. Can't see how I could be pushing the release button after shooting. I don't remember the round count but I'm sure It's not over 200. I've been a had gun shooter for 40 years. I'm hoping I can get some ideas on what could be going on before calling S&W. I also have the shield in 9mm so I'm comfortable with the design, as well as the45acp round is heavier than 9mm .