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Trijicon TA31-ECOS ACOG 4x32 Flat Dark Earth Scope, Dual Illumination Crosshair Reticle with 3.25 MOA RMR Sight

4.1 out of 5 stars 30 customer reviews
| 20 answered questions

Price: $1,860.82 & FREE Shipping
Item is eligible: No interest if paid in full within 12 months with the Amazon.com Store Card. Apply now
Only 2 left in stock - order soon.
Ships from and sold by Washington Blvd Sales.
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  • BATTERY-FREE ILLUMINATION: Features a tritium / fiber optic illuminated reticle that automatically adjusts the brightness based on available light
  • "RUGGED ALUMINUM-ALLOY HOUSING: Forged 7075-T6 aircraft-aluminum-alloy housing
  • provides for a nearly indestructible sighting system"
  • BULLET DROP COMPENSATING & RANGING RETICLE: The ranging reticle is calibrated for 5.56(.223 cal) flattop rifles out to 1,000 meters
  • BOTH EYES OPEN DESIGN: The ACOG can be used as a CQB sight when shooting both eyes open utilizing the Bindon Aiming Concept
  • SUPERIOR QUALITY GLASS LENSES: Multi-coated lenses provide superior clarity and light gathering capabilities with zero distortion
14 new from $1,860.82 1 used from $1,847.46

Frequently bought together

  • Trijicon TA31-ECOS ACOG 4x32 Flat Dark Earth Scope, Dual Illumination Crosshair Reticle with 3.25 MOA RMR Sight
  • +
  • Trijicon TA91: Tenebraex killFlash Anti-Reflection Device with LFU for 4x32 RCO ACOG Scope
  • +
  • Trijicon RMR Tenebraex Dual Illuminated Anti Reflection Device
Total price: $1,937.82
Buy the selected items together

Product description

The Trijicon ACOG ECOS is the ultimate sight for both Close Quarter Battle (CQB) situations and longer distance shooting where accuracy and pinpoint bullet placement are required. This dual-sighting system gives the shooter a distinct tactical advantage with the option of either the Trijicon ACOG or RMR sight. With the quick target acquisition of the RMR Sight or the precise aiming capabilities provided by the magnified 4 power Trijicon ACOG- the shooter has the ability to select the proper aiming solution for the situation at hand-truly the best of both worlds. No tools are needed for windage and elevation adjustments because the ECOS also features external windage and elevation adjusters, making it waterproof up to 11m without caps. The TA31ECOS also includes: 1 3.25 MOA RMR LED Red Dot Sight mounted to ACOG (RM01), 1 Trijicon Quick Release Mount (AC12033), 1 Set of backup Iron Sights, 1 LENSPEN (TA56), 1 Lanyard Assembly for Adjuster Caps (TA71E), 1 Trijicon Logo Sticker (PR15), 1 ACOG Manual and 1 Warranty Card


Product details

  • Item Weight: 2.4 pounds
  • Shipping Weight: 2.4 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B0037VXQ3C
  • Item model number: TA31-A
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (30 customer reviews)
  • Amazon Best Sellers Rank: #173,643 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Product Warranty: For warranty information about this product, please click here
  • Discontinued by manufacturer: Yes
  • If you are a seller for this product, would you like to suggest updates through seller support?


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on May 10, 2013
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on May 6, 2016
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