The Shield Sights RMS2-4MOA-POLY RFX Mini Red Dot Sight 4MOA is engineered for precision and performance. This ultra-light sight offers remarkable durability and is co-witness compatible with Glock MOS, making it the perfect addition to your firearm setup.Crafted from aerospace-grade aluminum, this sight is both compact and resilient, able to withstand the toughest conditions without compromise. Its automatic brightness adjustment ensures optimal visibility, enhancing your shooting experience.Parallax FreeOne 3V Lithium Battery, Cr2032Housing Material: AluminumCompatible With Night Vision4MOA DotUpgrade your shooting accuracy with the Shield Sights RMS2-4MOA-POLY Mini Red Dot Sight today.