The Shield Sights RMSW 4MOA Red Dot Sight is designed for durability, featuring a watertight construction that can withstand depths of up to 20 meters for over 30 minutes. This non-magnified optic is parallax-free and offers a crisp 4MOA dot, ideal for quick target acquisition. Weighing just 0.1875 lbs, it is lightweight yet robust, made from aluminum to endure harsh conditions. The RMSW's footprint is compatible with existing Shield mini sight mounts, providing versatile installation options for various firearms. Equipped with a hard-coated polymer lens, it ensures clarity and reliability in the field. Whether for concealed carry, home defense, or competitive shooting, the RMSW delivers performance you can trust.