Abstract: A nail magazine structure for a nail ejection gun includes a first nail magazine defining a plurality of slide grooves, a catch piece secured on the first nail magazine, a cover plate secured on the catch piece, a nail receiving chamber defined between the first nail magazine, the catch piece and the cover plate, a second nail magazine secured on the first nail magazine and defining a plurality of spring receiving grooves each aligning with the slide grooves and each defining a receiving channel, a plurality of springs each received in a respective spring receiving groove, a primary push pin secured on one of the springs to be pressed upward by the spring, a nail push piece secured on the primary push pin to move upward in the nail receiving chamber, a plurality of push pins each secured on a respective spring to be pressed upward by the spring, and a plurality of nail limit pieces each secured on a respective push pin to move upward in the receiving channels and the slide grooves.