Customize Your Cart to Carry Just What You Need. Gun Holder Brackets Bottom Foam Holders $36.00 – $48.00 Bracket – Kolpin Gun Grips $48.00 – $95.00 Brackets – Lower $48.00 – $72.00 Brackets – Upper Left $28.00 – $78.00 Brackets – Upper Right $28.00 – $78.00 Case Bracket Top 9″ VooDoo 3Gun Case $60.00 Double Mount Bracket $100.00 Wheel Kits 12″ Pneumatic Wheel Kit $210.00 16″ Pneumatic Wheel Kit 5 out of 5 $210.00 Balloon Wheel Kit $500.00 Utility Shelves 12″ Cart Shelves $105.00 16″ Cart Shelves $120.00 18″ Cart Shelves $120.00 – $420.00 Small Shelves $30.00 – $35.00 Bells and Whistles Water Bottle Packs $30.00 – $75.00