Trijicon ACOG 4×32 BAC Riflescope .223/5.56 BDC Green Crosshair Reticle with RMR
Features
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Dual‑Illuminated, Battery‑Free ACOG: Fiber optics (auto day brightness) + tritium lamp (low/no light) — always on; no batteries in the ACOG body.
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4× Fixed BAC Combat Optic: Bindon Aiming Concept™ supports both‑eyes‑open speed at CQB distances while preserving precise 4× aiming for mid‑range 5.56 work.
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.223/5.56 BDC Green Crosshair Reticle: Fine illuminated crosshair with ballistic stadia scaled for common 5.56 NATO loads when zeroed at 100 m; high‑contrast green is fast to pick up against bright or mixed backgrounds.
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Factory‑Mounted Trijicon RMR® Type 2 (3.25 MOA Red Dot): Instant 1× heads‑up sighting for close targets without breaking cheek weld; ruggedized electronics.
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Rugged Forged 7075‑T6 Aluminum Housing: Combat‑proven ACOG chassis; shock, recoil, and environmental abuse resistant; sealed and fog‑proof.
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External Tool‑Less Adjusters: Positive ½ MOA windage & elevation clicks; quick zero corrections in the field.
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Wide Situational Field of View: 7° / 36.8 ft @ 100 yd helps track movers and maintain awareness.
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Mission‑Ready Mounting: Ships with TA51 flattop Picatinny thumbscrew adapter; RMR pre‑aligned on top.
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Made in USA & Trijicon Limited Lifetime Warranty (optics); electronics limited warranty (RMR).
Technical Specifications for Trijicon ACOG 4×32 BAC Riflescope .223/5.56 BDC Green Crosshair Reticle with RMR
Specification
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Details
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Manufacturer
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Trijicon
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Model / MPN
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TA31‑C‑100552 / 100552
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SKU
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TA31‑C‑100552
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UPC
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719307311800
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Country of Origin
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USA
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Magnification
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4× fixed
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Objective Lens Diameter
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32 mm
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Optical Design
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Fixed‑power prism (integral ACOG housing)
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Reticle
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Green Crosshair .223/5.56 BDC (dual‑illum fiber optic / tritium)
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Illumination (ACOG)
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Automatic fiber (day) / tritium (night); battery‑free
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Piggyback Optic
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Trijicon RMR® Type 2 LED Red Dot, 3.25 MOA (CR2032 battery)
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Eye Relief
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1.5″ (38 mm)
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Field of View @ 100 yd
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36.8 ft (7°)
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Exit Pupil
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8.1 mm
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Adjustment Click Value
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½ MOA (≈2 clicks/inch @ 100 yd)
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Total Adjustment Range
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~40 MOA windage & elevation
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Parallax Focus
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Fixed at 100 m (≈109 yd)
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Overall Length
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5.8″ optic body (~7″+ assembled w/ RMR & mount)
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Weight
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15.1 oz optic‑only (approx. 19–20 oz complete w/ RMR & mount)
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Housing Material / Finish
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Forged aluminum; matte black hard anodize
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Optical Coatings
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Fully multi‑coated
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Waterproof / Fog‑Proof
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Sealed; nitrogen‑purged; duty waterproof
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Shock Resistance
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Combat‑rated for service calibers
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Mount Interface
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TA51 flattop Picatinny thumbscrew adapter (included; RMR top plate integrated)
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Included Accessories
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4×32 ACOG (Green Crosshair .223/5.56 BDC, dual‑illum)
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Factory‑mounted Trijicon RMR® Type 2 3.25 MOA Red LED (battery included)
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TA51 flattop Picatinny thumbscrew mount
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Adjuster cap lanyard / hardware kit
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Lens cleaning tool
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Protective caps (as packaged)
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Trijicon logo sticker
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Owner’s manuals & warranty documentation (ACOG + RMR)
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