Trijicon Sealed Reflex Sight 1.75 MOA Red Dot with Quick Release Flattop Mount (Black, 3.75-Inch)

Shorter housing eliminates the tube-effect typical of other sealed reflex sights Large 28mm aperture - Trijicon SRS provides a massive field of view for quicker target engagements 1.75 MOA dot is small enough for precision and with 10 brightness settings -bright enough for any speed Dual power sources - an innovative solar cell assisted by a single AA battery. SRS takes up less rail space while maintaining the durability expected from Trijicon