CURT A16 5th Wheel Slider Hitch, 16,000 lbs, Select Chevy Silverado, GMC Sierra 2500, 3500 HD, 6.5-Foot Bed Puck System Model 16054CURT A16 5th Wheel Slider Hitch, 16,000 lbs, Select Chevy Silverado, GMC Sierra 2500, 3500 HD, 6. 5 Foot Bed Puck System Model 16054 The CURT A16 5th wheel hitch excels in easy operation and stable, quiet 5th wheel towing. It does this with two key features: a single throw handle and a patented head design. The single throw handle only needs to be pulled once when coupling and uncoupling. It is designed to self reset to the ready to couple position