The Tango MSR scope comes with a first focal plane design, meaning the reticle size changes with the magnification, maintaining the reticle's proportions and usability at different distances. The integrated throwlever allows for quick and easy magnification adjustments, enhancing the shooter's ability to rapidly adapt to changing scenarios.The scope is finished in matte black, giving it a sleek and durable exterior. It is equipped with a 30mm maintube, offering robust construction and compatibility with a variety of firearms. The 24mm objective lens provides a clear and broad field of view.SIG SAUER TANGO MSR SPECIFICATIONS Brand: Sig Sauer Family: Tango Series Model: Tango MSR Type: Accessory-Scopes Finish: Matte Black Overall Length: 10.4 inches Magnification: 1X - 6X Maintube Size: 30mm Objective Size: 24mm Adjustments: 0.5 MOA Reticle: MSR-BDC6 Illuminated Reticle Illuminated Reticle: Yes Shipping Weight: 2.5 lbs. Additional Info: Integrated Throwlever, First Focal Plane, ALPHA-MSR Mount Included