The HS503R is a 20mm micro sight designed for rifle and carbine applications. HS503R features a Rotary switch to select reticle intensity, Holosun’s Red Super LED with 50k hour battery life, and MRS (Multi-Reticle System) with 10 daylight and 2 night vision compatible reticle intensity settings.

The HS503R housing is made from 6061 aluminum and includes both a lower 1/3 co-witness mount (1.63”) and a low mount (.75”) for low-comb height rifle applications. Additional features include rubber lens covers, and a battery compartment integrated into the Rotary switch for the 2032 battery. HS503R is a versatile sight for users of all levels.

Key Features: 

• Multiple Reticle System (MRS)
• MRS:2 MOA Dot; 2 MOA Dot & 65 MOA Circle
• Multilayer Reflective Glass
• Up to 100,000 Hours Battery Life (Setting 6)
• 12 Brightness Setting: 10 DL & 2 NV Compatible
• Rotary Battery Compartment
• Parallax-free & Unlimited Eye Relief

Comes with: 

• Lower 1/3 Cowitness Mount
• Low Profile Mount
• T10 L Key
• Rubber Cover
• User Manual
• CR2032 Battery
• Lens Cloth

OPTICAL DATA

Reticle 2 MOA Dot & 65 MOA Circle

Light Wavelength 650nm

Reticle Color Red

Parallax Free Yes

Unlim. Eye Relief  Yes

Magnification 1x

Multi-Coatings Yes

ELECTRONIC DATA

Power Source  Battery

Battery Type CR2032

Battery Life (Hrs) 50000

Brightness Setting  10 DL&2 NV

PHYSICAL DATA

Window Size 20mm Diameter

Dimension (in) 2.73×1.43×1.61

Weight (oz) 3.74

MECHANICAL DATA

Housing Material 6061 T6 Aluminum

Surface Finish MAO

Adjustment per Click 0.5 MOA

W&E Travel Range ±50 MOA

ENVIRONMENT DATA

Storage Temperature -40℃~70℃

Working Temperature -30℃~60℃

Submersion IP67

Vibration 1000G