A profile rail (16) for a merchandise display system (10) is used for supporting merchandise on at least one display accessory arm (14) extending from a display wall (11). The profile rail (16) has a top wall (34), a bottom wall (36) and a rear wall (38) defining an open chamber (28) configured to receive an accessory arm (14), wherein the chamber (28) has a channel (30) formed therein between an upper lip (31) and lower lip (32) and extending rearward toward the rear wall (38), and wherein an upper wall (66) extends between the top wall (34) and the upper lip (31) and the lower lip (32) extends from the bottom wall (36). The profile rail (16) has a lower bearing surface (32) located in the bottom wall (36), and the profile rail (16) also includes an upper bearing surface (62) located on the upper wall (66) directed toward the chamber (28). A protrusion (50) extends into the chamber (28) adjacent to the top and rear walls (34, 38), wherein the protrusion (50) is spaced-apart from the rear wall (38) to form a receiving chamber (51) therebetween, and the protrusion (50) includes a rear bearing surface (53) directed toward the receiving chamber (51). The invention is also directed to a display system comprising the profile rail and an accessory arm cantileveringly supported in the profile rail.

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