Holosun HS503R

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3.74 Ounces
Add a T2 Optic Mount

JMac Customs chose this red dot to pair with our MMS T2 Optic Mount to provide the best lower 1/3 r cowitness

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.


In the Box

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