The HE503CU-GR is a 20mm micro optical sight designed for rifle and carbine applications. Features include Solar Failsafe, Shake Awake, 12 brightness settings, Holosun’s Green Super LED with up to 50k hours battery life, and Multi-Reticle System. 

OPTICAL DATA:

• Light Source: LED 
• Reticle: 2 MOA Dot & 65 MOA Circle 
• Light Wavelength: 540nm 
• Reticle Color: Green 
  
• Parallax Free: Yes 
• Unlimited Eye Relief: Yes 
• Magnification: 1x 
• Multi-Coatings: Yes 
• Integrated Laser: No 

ELECTRONIC DATA:

• Power Source: Solar & Battery 
  
• Battery Type: CR2032 (Convenient Tray Battery Compartment) 
• Battery Life: Up to 50,000 Hours (Setting 6) 
• Brightness Setting: 10 Daylight & 2 NV Compatible 

MECHANICAL DATA:

• Housing Material: 6061 T6 Aluminum 
• Surface Finish: MAO 
• Housing Color: Black 
• Adjustment per Click: 0.5 MOA 
• W&E Travel Range: ±50 MOA
• Storage Temperature: -40℃ ~ 70℃
• Working Temperature: -30℃ ~ 60℃
• Submersion: IP67
• Vibration: Up to 1000G

PHYSICAL DATA:

• Window Size: 20mm Diameter
• Dimension (in): 2.6 x 1.43 x 1.6
• Weight (oz): 3