The Sig Sauer Tango MSR rifle scope features a high performance optical system with low dispersion glass. The integrated throw lever allows for quick magnification change, and the Tango MSR comes with the Alpha-MSR cantilever mount included. The Tango MSR features an illuminated, MSR-BDC reticle with eleven illumination settings. Features High performance optical system with low dispersion glassIntegrated throw lever for quick magnification changesIlluminated MSR-BDC reticle Dependable waterproof and fogproof performanceFlipback lens covers includedAlpha-MSR cantilevered mount included