The sporting rear sight base is engineered to enhance precision and adaptability in firearm sighting systems. It is compatible with standard 3/8 inches dovetail mounts, ensuring seamless integration with a wide range of firearms. This sight base is designed to accommodate three distinct styles of uprights, providing users with the flexibility to customize their sight picture according to specific shooting requirements. Ideal for replacing existing sights or introducing adjustable capabilities to fixed sight firearms, this product offers a robust solution for shooters seeking to optimize their aiming accuracy. The construction of the sight base ensures durability and reliability, making it a valuable addition to any firearm setup. The blade measures 2-3/4 inches in length and includes a step elevator, providing enhanced functionality and precision for various applications