A gravity feed product display rack. In one embodiment the display rack has a support frame and at least one shelf. The at least one shelf has a floor, a front side, and at least one edge side, all integrally made. The shelf further has a hinge coupled to at least one edge side of the shelf via an affixing device. The hinge has a first stable position corresponding to a loading position and a second stable position corresponding to a displaying position. The shelf can be adjusted between the loading and displaying positions by adjusting the shelf relative to the affixing member.