Truglo TRU-TEC, Reflex, 23x17mm, 3 MOA Red Dot, Black, Compatible with Optic Ready Pistols, Includes Dovetail Mount For Glock TG-TG8100B1
Specifications:

Magnification	1x
Objective	23mm x 17mm
Field of View	Unlimited
Eye Relief	Unlimited
Dot Size	3 MOA
Tube Diameter
Length	1.81"
Weight	1.10 oz
Finish	Black Hardcoat Anodized
Battery	CR2032
Reticle	Red Dot
Adjustment Size	1.0 MOA
Proofs	Fog Proof/Water/Shock Resistant
Optic Coating	Multi-Coated
Windage Elevation	Adjustable