Are you talking it did it ONE time? Or is it doing it after every ten rounds? If it only did it one time, chances are it wasn't seated in the first place. If it is doing it all the time, send it back. If you have to ask if you can fix it, you probably can't. Could be a minor adjustment, could mean doing some machine work on the frame. I have had some where there was just a burr in the base pin hole. On others the groove in the base pin had to be deepened. On some the hole in the frame where the base pin latch is located was not bored deep enough so the latch was not engaging the base pin. This required milling the frame. Since it is new, if there is a problem send it back.