• Trijicon ACOG 4×32 USMC RCO Riflescope .223/5.56 BDC Red Chevron Reticle Rifle Scope Trijicon
  • Trijicon ACOG 4×32 USMC RCO Riflescope .223/5.56 BDC Red Chevron Reticle Rifle Scope Trijicon
  • Trijicon ACOG 4×32 USMC RCO Riflescope .223/5.56 BDC Red Chevron Reticle Rifle Scope Trijicon
  • Trijicon ACOG 4×32 USMC RCO Riflescope .223/5.56 BDC Red Chevron Reticle Rifle Scope Trijicon
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Trijicon

Trijicon ACOG 4×32 USMC RCO Riflescope .223/5.56 BDC Red Chevron Reticle

Trijicon ACOG 4×32 USMC RCO Riflescope .223/5.56 BDC Red Chevron Reticle

$1,499.99 USD
$1,499.99 USD
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Trijicon ACOG 4×32 USMC RCO Riflescope .223/5.56 BDC Red Chevron Reticle

Features

  • USMC Rifle Combat Optic (M4/M4A1 Spec): Ballistic calibration matched to the 14.5" M4/M4A1 5.56 NATO trajectory; issued‑pattern Marine Corps configuration.
  • Dual‑Illuminated, Battery‑Free: Fiber optics drive daytime brightness; tritium provides a self‑luminous glow in low/no light—always on, no batteries.
  • Red Chevron .223/5.56 BDC Reticle: Chevron tip is your 100 m zero; descending stadia provide holds tuned for M4 velocities. Chevron width can be used for quick range estimation on silhouette targets.
  • Combat‑Proven Forged 7075‑T6 Housing: One‑piece ACOG chassis resists shock, recoil, and harsh environments; matte black hard anodize finish.
  • Both‑Eyes‑Open Speed (BAC): Bindon Aiming Concept™ lets you keep situational awareness at close range while retaining precise 4× magnification for distance.
  • ½ MOA External Adjusters: 2 clicks/inch @100 yd windage & elevation under protective caps; rugged internal prism adjustment holds zero.
  • Waterproof / Fog‑Proof: Sealed and nitrogen‑purged; deep‑water duty rated.
  • Issued‑Pattern Accessory Kit: Ships with KillFlash® ARD, flip caps, TA51 flattop mount, cleaning & maintenance items (see below).
  • Made in USA & Backed by Trijicon Warranty.

Technical Specifications for Trijicon ACOG 4×32 USMC RCO Riflescope .223/5.56 BDC Red Chevron Reticle

Specification

Details

Manufacturer

Trijicon

Model / MPN

TA31RCO‑M4CP / 100230

SKU

TA31RCO‑M4CP

UPC

719307302075

Country of Origin

USA

Magnification

4× fixed

Objective Lens Diameter

32 mm

Optical Design

Fixed‑power prism (integral ACOG housing)

Reticle

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

Illumination

Fiber (auto‑bright daylight) / tritium (night); battery‑free

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 (4×32 ACOG class)

Parallax Focus

Fixed ~100 m

Overall Length

5.8″ optic body (~6.7″ typical w/ ARD & caps)

Weight

~9.9 oz optic‑only; ~15–16 oz typical complete USMC RCO kit (w/ TA51, ARD, caps)

Housing Material / Finish

Forged aluminum; matte black hard anodize

Waterproof / Fog‑Proof

Sealed; nitrogen‑purged; deep‑water rated

Shock Resistance

Combat‑rated for duty calibers

Mount Interface

TA51 flattop Picatinny thumbscrew adapter (included)

Included Accessories (USMC RCO Kit)

  • TA31RCO‑M4CP 4×32 ACOG (Red Chevron 5.56 BDC)
  • TA51 flattop Picatinny thumbscrew mount (Colt‑style)
  • TA91 KillFlash® / ARD (anti‑reflection device)
  • Flip‑up objective & eyepiece caps (RCO pattern; often TA96 Scopecoat also supplied)
  • Lens cleaning tool (LensPen® style)
  • Adjuster cap lanyard assembly (TA71E)
  • Trijicon logo sticker
  • RCO instruction manual (zeroing & use)
  • Warranty / registration materials

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