Kolpin UTV Gun Rack - 20073 Vertical in-cab gun rack mounts to UTV Floor Constructed of heavy-duty over-molded rubber to securely hold the stock of your firearm and over-molded v-blocks with tough rubber straps to provide firearm and barrel support. (Firearms not included) Standard mount fits flat UTV floors. Gun Rack Mount adapter riser (20074) required for Polaris and Yamaha utility vehicles with center transmission hump. Adjustable height from 27-1/2" to 35-1/2"; fully adjustable, angling up to 45 degree in either direction Base Dimensions: 5-1/4" w x 6" front to back