Sig Sauer Tango MSR, Rifle Scope, 1-6X24mm, 30mm Maintube, MSR-BDC6 Illuminated Reticle, Black, ALPHA-MSR Cantilvered Mount SOT61000 The Sig Sauer TANGO-MSR low-power variable optic has a 1-6x magnification and a 24mm front objective, giving this optic a clear and bright image. The scope is also equipped with an illuminated reticle, providing an easy-to-pick-up reticle no matter what time of day. This optic also includes the high-quality Alpha-MSR 1 scope mount. Both the scope and the mount are made of excellent aluminum and are built to provide a durable and dependable optic