Holosun 503CU Multi-Reticle Red Dot Sight HS503CU

  • Manufacturer: Holosun
  • Model: 503CU
  • Reticle: 65 MOA & 2 MOA Dot
  • Magnification: 1x
  • Power Source: CR2032, Solar Failsafe
  • Battery Life: 50,000 Hours
  • Dimensions (LxWxH): 2.6″x1.43″x1.6″
  • Weight: 3 oz

$229.99

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Holosun 503CU | HS503CU

The HS503CU is a 20mm micro sight designed for rifle and carbine applications. HS503CU features Holosun’s Solar Failsafe technology and our Multi-Reticle System (MRS) which includes a 2MOA dot and a 65 MOA Circle. Holosun’s Red Super LED allows for up to 50k hour battery life with 10 daylight and 2 night vision compatible reticle intensity settings.

The HS503CU 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 Shake Awake technology, rubber lens covers, and a side battery for the 2032 battery. HS503CU is a versatile sight for users of all levels.


  • Manufacturer: Holosun
  • Model: 503CU
  • SKU: HS503CU
  • UPC: 605930624540
  • Reticle: 65 MOA Circle & 2 MOA Dot
  • Eye Relief: Unlimited
  • Magnification: 1X
  • Power Source: CR2032, Solar Failsafe
  • Battery Life: 50,000 Hours
  • Brightness Settings: 10 DL & 2 NV
  • Window Size: 20MM Diameter
  • Material: Aluminum
  • Dimensions (LxWxH): 2.6"x1.43"x1.6"
  • Weight: 3 oz

Additional information

Weight 0.0000 lbs

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