The Night Fision NF PLATE+NS 507K FITS G43X/48 MOS combines a Tritium front sight with Glock MOS Slimline compatibility, delivering a reliable, no-rail-swap solution for gun owners who want a compact handgun sighting system that pairs with red dot optics. This optic plate plus backup sight is designed to fit Holosun 507k and other optics that share the same mounting footprint, enabling a seamless co-witness with most optics that use that footprint and providing a clear, fast aiming reference in low-light conditions thanks to the Tritium front sight insert. Machined from 17-4 stainless steel and finished with a durable nitride coating, the assembly offers rugged corrosion resistance and long-term durability for day-in, day-out field use. Black in color and optimized for Glock 48 and 43X frames, this Night Fision solution blends conventional handgun sights with modern red dot compatibility, supporting quick target acquisition, improved accuracy, and versatile upgrade paths for concealed carry or duty applications. Whether youre equipping a Glock MOS platform for night patrol, competition, or personal protection, this plate and backup sight combo provides a streamlined, reliable sighting system that maintains a clean silhouette while expanding your optics mounting options.