The A/T optic riser 525-5 is approximately 2-1/8 inches long and is designed for use with a single red dot or other optic/accessory. It features 5 recoil slots (with 6 lugs in total). All BCM A/T risers provide a consistent 0.525 inches of rise over the top surface of the upper receiver. This riser is ideal for mounting a red dot optic or a single accessory, offering a stable and elevated platform for enhancing threat identification in various environments. BCM A/T risers are well-suited for layering magnifiers and other enhancement systems with red dot optics, providing versatility and capability for tactical applications.