• Trijicon ACOG 4×32 BAC Riflescope .223/5.56 BDC Red Chevron with RMR Rifle Scope Trijicon
  • Trijicon ACOG 4×32 BAC Riflescope .223/5.56 BDC Red Chevron with RMR Rifle Scope Trijicon
  • Trijicon ACOG 4×32 BAC Riflescope .223/5.56 BDC Red Chevron with RMR Rifle Scope Trijicon
  • Trijicon ACOG 4×32 BAC Riflescope .223/5.56 BDC Red Chevron with RMR Rifle Scope Trijicon
  • Trijicon ACOG 4×32 BAC Riflescope .223/5.56 BDC Red Chevron with RMR Rifle Scope Trijicon
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Trijicon

Trijicon ACOG 4×32 BAC Riflescope .223/5.56 BDC Red Chevron with RMR

Trijicon ACOG 4×32 BAC Riflescope .223/5.56 BDC Red Chevron with RMR

$1,799.99 USD
$1,799.99 USD
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Trijicon ACOG 4×32 BAC Riflescope .223/5.56 BDC Red Chevron with RMR

Features

  • Dual‑Illuminated, Battery‑Free ACOG Body: Fiber optics regulate reticle brightness in daylight; tritium lamp glows in low/no light—no batteries required in the ACOG.
  • 4× Fixed Combat Optic w/ Bindon Aiming Concept™: Enables both‑eyes‑open speed at CQB distances while retaining precise 4× aiming for intermediate/long carbine shots.
  • .223/5.56 BDC Red Chevron Reticle: Zero chevron tip at 100 m; descending stadia deliver calibrated holds for common 5.56/.223 trajectories. Chevron base subtension can be used for range estimation on silhouette targets.
  • Factory‑Mounted Trijicon RMR® Type 2 Mini Reflex (3.25 MOA Red Dot): Instant 1× heads‑up sighting for close engagements without shifting cheek weld.
  • Rugged Forged 7075‑T6 Aluminum Housing: Combat‑proven durability—shock, recoil, weather, and impact resistant; sealed and fog‑proof.
  • External Tool‑Less Adjusters: ½ MOA windage & elevation clicks; no turret caps to lose.
  • Wide Field of View: 7° (36.8 ft @ 100 yd) helps maintain situational awareness on movers.
  • Mission‑Ready Mounting: Ships with TA51 flattop Picatinny thumbscrew adapter; RMR already aligned over the ACOG.
  • Made in USA & Backed by Trijicon Warranty. (Factory & top‑tier dealer data verified.)

Technical Specifications for Trijicon ACOG 4×32 BAC Riflescope .223/5.56 BDC Red Chevron with RMR

Specification

Details

Manufacturer

Trijicon

Model / MPN

TA31‑D‑100549 / 100549

SKU

TA31‑D‑100549

UPC

719307311770 (current factory/distributor listing)

Country of Origin

USA

Magnification

4× fixed

Objective Lens Diameter

32 mm

Optical Design

Fixed‑power prism sight (integral housing; no traditional maintube)

Reticle

Red Chevron .223/5.56 BDC (dual‑illuminated fiber optic / tritium)

Illumination (ACOG)

Automatic fiber (day) / self‑luminous tritium (night); battery‑free

Piggyback Optic

Trijicon RMR® Type 2 LED Red Dot, 3.25 MOA (CR2032 battery)

Eye Relief

1.5″ (38 mm)

Field of View @ 100 yd

36.8 ft (7°)

Exit Pupil

8.1 mm

Adjustment Click Value

½ MOA (≈2 clicks/inch @ 100 yd)

Total Adjustment Range

~40 MOA windage & elevation (typical TA31 spec)

Parallax Focus

Fixed at 100 m (≈109 yd)

Overall Length

~7.5″ assembled (ACOG + RMR + mount); ~5.8″ optic body only

Weight

15.1 oz ACOG optic only; ~20 oz class complete (ACOG + RMR + TA51)

Housing Material / Finish

Forged aluminum; matte black hard anodize

Waterproof / Fog‑Proof

Sealed; nitrogen‑purged; duty weather resistant

Shock Resistance

Combat‑rated for service calibers (.223/5.56 and beyond)

Mount Interface

TA51 flattop Picatinny thumbscrew adapter (included; factory‑mated RMR top plate)

Included Accessories

  • Trijicon ACOG 4×32 Red Chevron BDC optic (dual‑illum fiber/tritium)
  • Factory‑mounted Trijicon RMR® Type 2 3.25 MOA Red LED (battery included)
  • TA51 flattop Picatinny thumbscrew mount
  • Adjuster cap lanyard assembly (TA71E)
  • Lens cleaning tool (LensPen® style)
  • Protective caps / basic hardware kit (style may vary)
  • Trijicon logo sticker
  • Owner’s manuals & warranty documentation (ACOG + RMR)

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