If you're looking to mount a dedicated optic onto your personal-defense gun, then that optic needs to be as strong and dependable as the gun you chose to protect your life. Shield Sights revitalized its original RMS design, bringing out a second-generation version that's more durable than ever before, all while providing the light, compact and easy-to-use sighting system you know and love. This is the Shield Sights Reflex Mini Sight 2.0. To give you a better optic, Shield Sights eliminated the battery drawer found on the original RMS, which allowed them to craft a stronger aluminum housing and incorporate improved electronics for a better sight picture. In addition, the low-p Mfg: Shield Sights Ltd.