An accessory shelf rail system includes a generally planar top portion, a generally planar front portion, a lower portion of the front portion angled inwardly, a rear portion of the top portion including a top channel and a lip forming a lip channel, the top channel and the lip channel are contained in an entire length of the top portion, and a step-shaped securing bracket slidably positioned in the lip channel, the step-shaped securing bracket configured to removably attach the top portion to a horizontal retail shelf.