Elevate your tactical advantage with the Bobro Engineering Double-Decker QD Rail Riser, meticulously engineered to provide an additional 5/8" height on your existing rail. This robust riser features two quick-detach levers utilizing BLACR technology for effortless attachment or removal, ensuring a secure fit and easy interchangeability on your AR15/M16. Its construction from 6061-T6 Aluminum guarantees stiffness and durability, even under the most demanding conditions. With a length of 15 rail slots and a 10 cross slot configuration on a Mil-Std 1913 Rail, it also incorporates indexing lugs for a precise return to zero. Designed for both functionality and reliability, it's compatible with backup iron sights, weighs 5 ounces, and stands as a testament to innovation and precision in firearm accessories.