The TANGO-MSR with an installed MSR mount with offset Romeo1 features an enhanced, compact, high performance, 6x optical system with an illuminated BDC6 Reticle. The ROMEO1 features molded glass aspheric lens with high performance coatings for superior light, transmittance and zero distortion, 3 MOA red dot reticle, 10 brightness levels- 8 Day/2 Night, MOTAC (Motion Activated Illumination System) that powers up when it senses motion and powers down when it does not. Includes Flip back covers.