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8503 Steiner DRS 1X Reflex Battle Sight

Manufacturer: Steiner Optics
SKU: STN8503
Manufacturer part number: 8503
UPC: 000381885036
In stock
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Steiner 8503 DRS 1X Reflex Battle Sight is engineered for speed, simplicity, and accuracy. The DRS1X is designed for rapid and lethal target engagement at close quarters.

The DRS (Defendu Reflex Sight) is so versatile and effective at close range, we’ve named it after the famed Lt. Colonel William Ewart Fairbairn whose Close Quarters Combat system was designed to rapidly disable an opponent with potentially lethal force. Perfect for tactical operations or home defense, the 1x reflex sight offers three reticles calibrated for speed and accuracy at 7, 25, and 50 yards.

The ultimate CQB sight, it is built with Steiner’s legendary ruggedness. Lightweight, compact, and simple to use.

Window size is .96 x 1.26 in. (height x width).

The overall height is 2.57 in., and it sites 2.35 in. above the rail.

The C2 reticle has three options:

  • Singe dot
  • Dot and stadia lines
  • Dot, stadia lines and close dot


  • Rugged Magnesium Body
  • Choose From 3 Reticle Options
  • Seven Illumination Levels (4 Day/3 Night)
  • Adjustable For Windage/ Elevation
  • Waterproof/Fogproof/ Shockproof
  • Powered By Two (2) Aa Batteries, But Can Operate On One
  • 2000+ Hours Of Battery Run Time
  • 13-Hour Auto Shutoff
  • Co-Witness With Iron Sights Or Use With Any Multiplier

Reticle:C2 Reticle
Special Feature:3 reticle modes
Reticle Color(s):Red
Elevation Adjustment, Total Capability:50 MOA
Windage Adjustment:1/2 MOA
Length:3.88 in.
Weight:10.4 oz
Illumination Settings:7
Battery:Two AA (can run on one)
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