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Trijicon 4x32 ACOG ECOS Dual Illum Green Crosshair 5.56 Reticle w/Iron Sights QR Mount - LED 3.25 MOA Red RMR Type 2 - FDE TA31-D-100554

SKU TA31-D-100554-Trijicon

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Long-range shooting for the military has been made easier thanks to the Trijicon ACOG/RMR Combos. ACOG/RMR combos provide the up-close target acquisition for close quarters/CQB in addition to long-range targets.

This dual-sighting system gives the shooter a distinct tactical advantage with the option of either the Trijicon ACOG or the RMR Sight. With the quick target acquisition of the RMR Sight or the precise aiming capabilities provided by the magnified Trijicon ACOG, the shooter has the ability to select the proper aiming solution for the situation at hand - truly the best of both worlds.

Powered by Trijicon’s patented fiber optics and tritium-based technology, Trijicon ACOG/RMR scopes can feature a multiple reticles and configurations. To further improve target acquisition and hit potential, Trijicon ACOG/RMR scopes incorporate Trijicon’s Bindon Aiming Concept – which allows for both eyes open for aiming. A Trijicon RMR sits on top, and can feature several different sizes of aiming dot.

Trijicon ACOG/RMR Features And Options

These encompass the options of this product line, check the product specifications to be sure you have the scope combo with desired features.

  • Magnification - 3x - 6x
  • Size - 32mm - 48mm
  • Weight, 7.7 oz - 39.3 oz
  • Fiber Optics and Tritium Illumination Source
  • Reticle Pattern - Crosshair, Chevron
  • Day Reticle Color - Red, Green, Black, or Amber
  • Night Reticle Color - Red, Green, Black, or Amber
  • Housing Material - Forged Aluminum
  • Mount Options - TA75, TA51, Quick Release
  • Calibration - .50 BMG, .223


  • Item ConditionNew
  • Scope Weight:15 oz
  • Scope Length:6.2 in
  • Magnification Range:4x
  • Scope Objective Diameter:32mm
  • Turret Adjustment (Click Value):1/2 MOA
  • Parallax Adjustment:Fixed
  • Reticle Details:Green Crosshair 5.56 / RMR 3.25 MOA Red Dot
  • Field of View:36.8 ft/100 yards
  • Exit Pupil:8.1 mm
  • Eye Relief:1.5 in
  • Illuminated Reticle:Yes, green
  • Product TypeRiflescopes
  • UPC719307311824
  • MPN100554

Customer Reviews

Average Rating
July 1, 2021

Great optic. True, your eye needs to be pretty darn close to get full edge-to-edge clarity, but when all is set the sight picture/FOV and reticle is wide and clear. The QD mount is solid and tight.

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