You cannot add "Canik HG6597TVN TP9 Elite Subcompact 9mm Luger Caliber with 3.60" Barrel, 12+1 Capacity, Black Finish Picatinny Rail Frame, Serrated/Optic Cut Tungsten Gray Cerakote Steel Slide & Interchangeable Backstrap Grip Includes Shield SMS2 Optic" to the cart because the product is out of stock.