The Eratac Backup Offset Front/Rear Sight for HK type rifles on a Picatinny rail delivers reliable, quick-access iron sights for precise close-quarters engagement and versatile field use, featuring a black offset design compatible with Heckler & Koch platforms such as the MR556. Built to complement the rifles iron sight system, this backup set provides a durable, low-profile sighting solution that preserves rail space while offering rapid target acquisition when transitioning from primary optics. The offset alignment enables shooters to maintain a natural line of sight during rapid action or when optics are cantilevered, and the front and rear components work in harmony to deliver consistent elevation and windage reference points on demanding shooting scenarios. Crafted with rugged construction and intended for real-world use, the Eratac sights integrate seamlessly with HK models, enhancing reliability without adding bulk or complexity. Whether you are configuring a dedicated precision setup, building a versatile patrol or hunting rifle, or seeking a dependable backup arrangement on the MR556, this black, offset front and rear sight pair provides a practical, repeatable point of contact for you to rely on in the field.