B&W Trailer Hitches RVK3270 Fifth Wheel Hitch The Patriot 18K Slider is our rail-mounted, American-made fifth wheel hitch with 12" of slide for maneuvering a short-bed truck. Automatic latching in both directions of slide. Fully articulating head allowing front to back and side to side pivoting. Three vertical adjustments from 17" to 19" - Fits all Industry Standard Standard Mounting Rails (sold separately) Easy to Reach, Cam Action Handle means easy release even when parked on unlevel sites