This aspheric surface glass offers superior clarity and parallax-free performance, designed to withstand heavy use. With a robust construction, it is shockproof up to 800g and capable of withstanding impacts from most 9mm firearms. Tailored specifically for pistols, the base is configured to fit the Leupold Delta Point Pro footprint, making it compatible with properly milled slides or rear dovetail mounting adapters. The durable, heavy-duty aluminum housing also features a large, square viewing window for enhanced field of vision.