Invisible red dot holographic sight in the iris

Tactical hunting Glock Red Dot Sight Collimator Sight Mini RMR SRO Rifle Red Dot Scope Sight fit 20mm Rail & Glock Mount
Material:6061 Aviation Aluminum
Precision CNC Machining
Surface: Hard Anodized
Reticle Color:Red
Battery Type: CR2032 (Not Included)
Color: Black, Tan, Orange
Fit: 20mm Rail
Dot Size: 2.5 MOA