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Steiner DRS1X Reflex Battle Sight 8503

SKU 8503

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The Steiner DRS1X or Defendu Reflex Sight is made for rapid and lethal target engagement at close quarters. Perfect for tactical operations or home defense, this 1x battle sight offers three reticle options calibrated at 7, 25, and 50 yards for speed and accuracy. The DRS1X is lightweight, compact, and simple to use but can take a beating with its rugged magnesium body and Steiner Heritage Warranty.

Features of the DRS1X:

  • Rugged Magnesium Body
  • Three Reticle Options: (1) Single Dot, (2) Dot and Stadia, and (3) Dot, Stadia, and Close Dot
  • Adjustable For Windage and Elevation; 1/2 MOA Click Value
  • 50 MOA Total Range for Elevation and Windage
  • Seven Illumination Levels: 3 Day and 4 Night
  • Auto and Manual Brightness Control
  • 2,000+ Hours of Battery Run Time and 13 Hour Auto Shutoff
  • Powered by (2) AA Batteries, but can operate on one
  • Co-Witness with Iron Sights or Use with any Multipler
  • Picatinny Rail Mount
  • Waterproof (5 meters), Fogproof, and Shockproof
  • Warranty: Steiner Heritage Warranty
  • Do not apply more than 40 in/lb of torque to mount

Binoculars, Riflescopes, Battle Sights, Rings and Mounts are backed by Steiners Heritage™ Warranty. Night Vision Devices, Laser Aiming Solutions, Beacons, and Battle Lights are backed by Steiner's eOptics 2 Year Warranty


  • Magnification Range:1x
  • Reticle Details1. Single Dot
    2. Dot and Stadia
    3. Dot, Stadia & Close Dot
  • Objective Lens Diameter:24.3mm
  • Dimensions:Length: 3.88"
    Overall Height: 2.57"
    Height Above Rail: 2.35"
  • Weight:10.40 oz.
  • Battery2 x AA
  • Battery TypeAA
  • Night Vision CompatibleYes
  • Brightness Settings3 NVD 4 Regular
  • Product TypeReflex Sight/Red Dot
  • Item ConditionNew
  • UPC000381885036
  • MPN8503

Customer Reviews

Average Rating
May 18, 2020

I bought it because I wanted something different from Aimpoint & EoTech, but well suited for closer range (defense) engagements. I have to say I am quite impressed with the product. It feels right at home on my CZ Scorpion Evo 3, and it makes hitting my targets rather effortless. Steiner quality at an affordable price, commonly available batteries, three different reticles. How can you beat it?

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February 28, 2020

Purchased a DRS1X from Eurooptic. Processing and shipping was quick. Recieved the DRS1X and unfortunately it had damage from factory and would not fasten down all the way to a Picatinny mount without biting into the housing of the optic and even then still had significant wobble. Steiner usually makes a great product but with the lack of reviews online and the poor QC in the optic I purchased I cant recommend it. Eurooptic CS is awesome and processed a return immediately.

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