Trijicon ACOG ECOS 4x32 Dual-Illuminated Riflescope with RMR Type 2 Green Crosshair BDC Flat Dark Earth – TA31-D-100554
$1,719.00
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Trijicon
Trijicon ACOG ECOS 4x32 Dual-Illuminated Riflescope with RMR Type 2 Green Crosshair BDC Flat Dark Earth – TA31-D-100554
$1,719.00
TA31-D-100554
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Questions about fit or compatibility?Our product support team can help before you order.Contact us
Shipping Information
Orders ship within the United States only and are typically processed in 1–2 business days. Delivery estimates and any free-shipping offers are shown at checkout. We do not ship internationally. Read our full Shipping Policy.
Returns
Unused items in their original packaging may be returned within 30 days of delivery. Optics that have been mounted or used may be inspected. Email support@dnrsports.com to start a return. Read our full Return & Refund Policy.
Warranty Information
Products are covered by their manufacturer's warranty; coverage and length vary by brand. We'll help you start a claim if needed — email support@dnrsports.com. Read our Warranty page.
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- Carefully Selected Equipment
- Knowledgeable Product Support
- Manufacturer Warranty Information Available
Product Overview
Overview
The Trijicon ACOG ECOS 4x32 Dual-Illuminated Riflescope with RMR Type 2 – Green Crosshair .223/5.56 BDC – Flat Dark Earth is a forged-aluminum Trijicon ACOG with battery-free fiber optic and tritium illumination. Combat-proven glass in a housing built to outlast the rifle, covered by Trijicon's Limited Lifetime Warranty.
How It Compares
Compare with the Trijicon ACOG 4x32 Rifle Scope with RMR Red Dot Sight Crosshair, Trijicon ACOG 4x32 Rifle Scope with RCR Red Dot Sight and Trijicon ACOG 4x32 Rifle Scope Fiber Optic Tritium Illuminated Crosshair. Browse all ACOG rifle scopes or Trijicon rifle scopes.
Ideal For
- Duty, defense and hard-use carbines
- Shooters wanting battery-free reliability
- Both-eyes-open fast engagement
Key Features
- Reticle: Green crosshair BDC, dual-illuminated, calibrated .223/5.56 flattop rifles out to 600 meters
- Illumination: Dual illumination: fiber optics (day) + tritium (night), battery-free
- Warranty: Trijicon Limited Lifetime Warranty
Technical Specifications
| Magnification / Objective | 4x fixed |
| Objective | 32mm |
| Reticle | Green crosshair BDC, dual-illuminated, calibrated .223/5.56 flattop rifles out to 600 meters |
| Reticle Colour | Green |
| Caliber Calibration | .223 / 5.56 BDC |
| Illumination | Dual illumination: fiber optics (day) + tritium (night), battery-free |
| Eye Relief | 1.5 in (38.1mm) |
| Exit Pupil | 0.32 in (8.13mm) |
| Field of View | 36.8 ft @ 100 yds (7 degrees) |
| Weight | 16.3 oz (462g) |
| Housing | Forged aluminum (7075-T6), matte black |
| Finish | Flat Dark Earth; note Trijicon warranty excludes Cerakote surface damage |
| Mount | Trijicon Quick Release Mount AC12033 (included; not the TA51 thumbscrew) |
| Water Resistance | Submersion depth -66 ft (-20m); dry-nitrogen filled, fogproof |
| What's Included | ACOG 4x32 ECOS with 3.25 MOA RMR Type 2 LED red dot mounted, Trijicon Quick Release Mount (AC12033), set of backup iron sights, TA56 LensPen, TA71E lanyard assembly, PR15 logo sticker, ACOG |
| SKU / MPN / UPC | TA31-D-100554 / TA31-D-100554 / 719307311824 |
Warranty
Trijicon back this with their Limited Lifetime Warranty: the optical system and metal structure are covered against defects in materials and workmanship for the lifetime of the original owner. The tritium lamp is separately warranted to glow for fifteen years from date of manufacture.
US Shipping & Support
Shipped from the USA by D&R Sports Center. Questions about reticles, mounts or fit? Contact us before you order and we'll help.
Frequently Asked Questions
Does it need batteries?
No — the reticle is lit by fiber optics in daylight and tritium in the dark. There is nothing to switch on and nothing to run flat.
What caliber is the reticle calibrated for?
.223 / 5.56 BDC.
Does it come with a mount?
Trijicon Quick Release Mount AC12033 (included; not the TA51 thumbscrew).
Can I shoot with both eyes open?
Yes — the ACOG is designed around the Bindon Aiming Concept for both-eyes-open shooting at speed.
What warranty does it carry?
Trijicon's Limited Lifetime Warranty. The tritium lamp carries its own multi-year term from date of manufacture.
By the Numbers
Technical Specifications
- SKU
- TA31-D-100554
- UPC
- 719307311824
- System Type
- ECOS (Enhanced Combat Optical Sight)
- Primary Optic
- Trijicon ACOG 4x32
- Secondary Optic
- Trijicon RMR Type 2 (piggyback mounted)
- Magnification
- 4x
- Objective Lens Diameter
- 32 mm
- ACOG Reticle
- Green Crosshair BDC – .223 / 5.56 NATO
- Reticle Illumination
- Dual-illuminated (fiber optics + tritium, battery-free)
- RMR Reticle
- 3.25 MOA Red Dot
- RMR Illumination
- Adjustable LED (automatic + manual brightness)
- Eye Relief
- ~1.5 in
- Field of View
- ~36.8 ft @ 100 yd
- Adjustment Increment
- ½ MOA per click (windage & elevation)
- Parallax
- Fixed / parallax-free
- Housing Material
- Forged 7075-T6 aluminum
- Finish / Color
- Flat Dark Earth
- Water Resistance
- Waterproof, fog-proof sealed construction
- Mount Type
- Integrated ECOS mounting system
- Country of Manufacture
- USA
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