The A/T optic riser 525-13x5 is approximately 7.25 inches long and is designed for applications where flexibility and additional recoil slots are required. It features 13 recoil slots on the main body and 5 on the cantilever section, totaling 18 slots (with 19 lugs in total). This riser is ideal for layering magnifiers and other enhancement systems with red dot optics, allowing for a more versatile platform. BCM A/T risers like the 525-13x5 enable configurations that enhance threat identification in complex settings, making them suitable for tactical applications where adaptability and capability are crucial.