Based on this product's specifications, here are some alternatives and similar models
Strike Industries Sidewinder II BUIS Backup Iron Sight for Firearms
Summary description:
The Strike Industries Sidewinder II BUIS is a low-profile backup iron sight designed for tactical firearms. This offset sight system allows for rapid transitions between primary optics and iron sights. Constructed for durability and precision, it provides a reliable aiming solution in various shooting conditions. Ideal for shooters requiring a secondary sighting option that maintains a slim profile on the weapon platform.