A/T Optic Riser 525-10×5 is approximately 6-1/8″ long and offers a cantilever section for applications where the end user desires to run an attachment or optic over the handguard while avoiding ‘bridging’ the optic from the upper to the handguard. This riser has 10 recoil slots on the main body, and 5 on the cantilever section for a total of 15 slots (16 lugs). Optimized for close combat ranges, the BCM A/T Riser creates a platform that raises the centerline of attached optics and magnifiers by 0.525 inches which raises typical lower 1/3 optics to approximately 2.16 inches height and absolute co-witness optics to approximately 1.93 inches height. This additional height enhances the trained end user’s situational awareness, and further, makes it possible for them to take better aimed shots if they are using the optic in conjunction with night vision or other PPE systems.