The versatile Master Block and All Rite's patented finned holder combine to make this ATV gun and bow rack a solid fixture on your ATV. Includes two rubber snubbers for added security in rough terrain. PMP2 - Double version of the Pack Rack Pro, the PMP2 carries two guns securely side by side on an ATV. Soft rubber fins cushion and grip item(s) being carried. Master Block can be mounted on bars, rails or flat cargo racks. includes rubber snubbers for added security in rough terrain.