Riton X3 Tactix ARD is specifically designed for the AR platform, the X3 Tactix ARD is a high performance, adaptable red dot. This lightweight red dot comes with a skeletonized, lower 1/3 co-witness Quick Disconnect (QD) mount. The 25mm objective allows for quick target acquisition, while the 2 MOA illuminated, red dot allows for precision in the field or at the range. Each product comes with a Lifetime Warranty. One of the best you will find!