This is a new HOLOSUN SCS-MOS-GR Solar Charging Sight, designed for Glock MOS pistols. It features a multi-reticle system (2MOA Dot, 32MOA Circle, Circle Dot), Solar Failsafe, and Super Green LED. The sight has a built-in rechargeable battery, auto brightness adjustment, and a titanium housing. It boasts an ultra-low profile, IPX7 waterproof rating, and is parallax-free.