Hey gentlemen, brand new to this forum but looking for some help with my M&P shield plus in 9mm. Purchased new in October of last year. Has approx 700 rounds through it of all different brands and grains of ammo and my problem is both the 10 and 13 round magazines drop down during during firing. Not completely out but just enough to prevent ejection resulting in a jam and of course not firing the subsequent round. It can happen on the second round or the 10 th. Doesn't matter what grip type or grain of ammo. Three people have shot it all with the same results. Sent back to S&W. They had it for a month and returned it with a new magazine ejector. Shot it yesterday and absolutely no change! Sent them another email and they want me to send it back again. Has anyone else had this issue? Any help would be appreciated. This weapon is being used by my daughter for self defense. It's totally unreliable at this point. Thanks Dean