Holosun Technologies 507K-X2, Green Dot, 32 MOA Ring & 2 MOA Dot, Black Color HE507K-GR X2
Specifications:

Magnification	1x
Objective	0.58" x 0.77"
Field of View
Eye Relief	Unlimited
Dot Size	2 MOA Dot/ 32 MOA Circle
Tube Diameter
Length	1.60"
Weight	1.0 oz
Finish	Black Anodized
Battery	CR1620
Reticle	2 MOA Green Dot/32 MOA Green Circle Multi Reticle
Adjustment Size	1.0 MOA
Proofs	IP67 Waterproof
Optic Coating	Multi-Coated
Windage Elevation	Adjustable