Abstract: A firearm support rack for use in the passenger compartment of automotive vehicles and which is specifically design to retain firearms have elongate barrels such as rifles and shotguns. The firearms support rack is comprised of a pair of frame sections, one of which is telescopically arranged with respect to the other so that the frame can achieve a selected length to conform to the width of the passenger compartment of the automotive vehicle. A barrel supporting assembly is located on one of the frame sections and a stock supporting assembly is located on the other of the frame sections. The two assemblies are adjustably positionable on the respective frame sections so as to accommodate different sized and types of firearms.