Abstract: A pair of brackets positioned on opposite sides or opposite ends of a mattress and interconnected by a strap or the like which is disposed between the mattress and box spring or other mattress support; at least one of the opposing brackets being fitted with a holster support bar which is vertically adjustable utilizing a plurality of apertures in the bracket and conventional means of attachment such as bolts and nuts or other fasteners. The holster support bar fits through the belt loop of a belt-type holster or within the clip of a clip-on holster which is held in position adjacent to the mattress.