The hs503cu is an open reflex optical sight designed for rifle and carbine applications.Features include: aluminum housing, holosun's super led with up to 50k hours battery life; 12 brightness setting- 10 daylight & 2 night vision; 2 moa dot/65 moa circle; parallax free and unlimited eye relief; solar fail-safe and shake awake.Includes lower 1/3 cowitness mount, low profile mount, rubber cover, lens cloth, cr1632 battery, t-10 l key and user manual.

Battery: CR2032 Lithium
Magnification: 1x
Eye Relief: Unlimited
Dot Size: 2 MOA
Length: 2.44"
Weight: 3 oz
Finish: Black
Reticle: Green 2 MOA Dot/65 MOA Circle
Adjustment Size: .5 MOA
Proofs: Water Resistant, Shockproof
Optic Coating: Multi-Coated
Windage Elevation: 50 MOA