Disclosed is a product case packing system with a gripping head assembly and a packaging grid assembly linked by a coordination arm that synchronizes the delivery of the product to be packaged and with the positioning of the grid assembly into the packaging container. The system includes a gripper head assembly extension control module, capable of controlling multiple travel distances of the gripper head assembly in a single packing cycle, a product assembly detection module, and a packaging release control element for subtle separation of individual packed containers.