Trijicon ACOG ECOS 4x32 Dual-Illuminated Riflescope with RMR Type 2 Green Crosshair BDC Flat Dark Earth – TA31-D-100554
Trijicon
Trijicon ACOG ECOS 4x32 Dual-Illuminated Riflescope with RMR Type 2 Green Crosshair BDC Flat Dark Earth – TA31-D-100554
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Returns
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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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Overview
The Trijicon ACOG ECOS 4x32 Dual-Illuminated Riflescope with RMR Type 2 Green Crosshair BDC Flat Dark Earth is a Trijicon ACOG rifle scope with 4x fixed magnification and 32mm objective.
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
- Shooters who want a fixed 4x — one magnification, nothing to knock off zero
- Low-light work, where the 32mm objective is still gathering light at dusk
- Shooting into shadow or at first light, with the Green crosshair BDC reticle illuminated
Key Features
- Magnification / Objective: 4x fixed
- Objective: 32mm
- 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
- Field of View: 36.8 ft @ 100 yds (7 degrees)
- Eye Relief: 1.5 in (38.1mm)
- Exit Pupil: 0.32 in (8.13mm)
- Mount: Trijicon Quick Release Mount AC12033 (included; not the TA51 thumbscrew)
About This Model
- 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
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
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 Color |
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 |
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 D&R Sports Center in the USA with fast, tracked delivery. Questions on fit, mounting or which model suits your setup? Our team is glad to help before and after your purchase.
Frequently Asked Questions
Which reticle does it have?
Green crosshair BDC, dual-illuminated, calibrated .223/5.56 flattop rifles out to 600 meters.
Is the reticle illuminated?
Dual illumination: fiber optics (day) + tritium (night), battery-free.
What does it mount to?
Trijicon Quick Release Mount AC12033 (included; not the TA51 thumbscrew).
How much eye relief does it give?
1.5 in (38.1mm).
Is this a genuine Trijicon product?
Yes — factory-new Trijicon, supplied through US distribution. The part number is TA31-D-100554 and the barcode is 719307311824.
What warranty does it carry?
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.
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