Bushnell Micro Reflex Sight Black Red Dot Big-time performance doesn’t always come in big packages. The Advance™ is a micro reflex red dot sight small enough to fit on a pistol. It projects a 5-MOA dot through waterproof, fogproof and shockproof optics. The compact design is compatible with a large selection of semiautomatic pistols, allowing for a quick, positive target acquisition. The Advance™ is the smallest, lightest red dot in the AR Optics™ family, and is ideal for close-quarter scenarios. • Compatible with both pistols and rifles • 5-MOA red dot • Waterproof, fogproof, shockproof • Extended battery life • Compatible with for Glock Mount Plate #1