Holosun Technologies HS10C Open Reflex Circle Dot Sight and HM3X Magnifier Combo Pack 510C+HM3X
Specifications:

Magnification	1x/3x
Objective	0.91" x 1.26"
Field of View	7 Degrees
Eye Relief	Unlimited
Dot Size	2 MOA Dot/ 65 MOA Circle
Tube Diameter
Length	3.30"
Weight	1.0 oz
Finish	Black Anodized
Battery	CR2032
Reticle	2 MOA Red Dot/65 MOA Red Circle Multi Reticle
Adjustment Size	0.50 MOA
Proofs	IP67 Waterproof
Optic Coating	Multi-Coated
Windage Elevation	Adjustable