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Trijicon ACOG 5.5x50 BAC Riflescope .223/5.56 BDC Red Chevron Reticle Rifle Scope Trijicon
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Trijicon ACOG 5.5x50 BAC Riflescope .223/5.56 BDC Red Chevron Reticle

£1,899.99
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Reliable shipping

Flexible returns

Trijicon ACOG 5.5×50 BAC Riflescope .223/5.56 BDC Red Chevron Reticle

Features

  • Big‑Objective, Long‑Range ACOG: 5.5× fixed magnification paired with a large 50 mm objective delivers excellent light transmission and target definition at extended distances.
  • Dual‑Illuminated, Battery‑Free: Fiber optics automatically adjust reticle brightness in daylight; tritium lamp glows in low/no light—always on, no batteries to manage.
  • Red Chevron .223/5.56 BDC Reticle: Zero the chevron tip at 100 m; descending stadia give holds for typical 5.56 NATO trajectories. Chevron base subtension (~5.5 MOA ≈ 19" @300 m) aids rapid range estimation on silhouette targets.
  • Bindon Aiming Concept™ Capable: Bright, illuminated reticle supports both‑eyes‑open speed for closer shots while retaining 5.5× precision at distance.
  • Forged 7075‑T6 Aluminum Housing: Monolithic, combat‑proven ACOG chassis built to survive heavy recoil, impact, and harsh environments.
  • Fine External Adjusters: Approx. 0.2 MOA per click (~5 clicks/inch @100 yd) for more precise zeroing than standard 4× models.
  • Deep‑Water Sealed & Nitrogen‑Purged: Waterproof well beyond typical field exposure; resistant to internal fogging.
  • TA51 Flattop Picatinny Mount Included: Ready for AR‑pattern / MIL‑STD‑1913 upper receivers out of the box.
  • Made in USA & Backed by Trijicon Warranty.

Technical Specifications for Trijicon ACOG 5.5×50 BAC Riflescope .223/5.56 BDC Red Chevron Reticle

Specification

Details

Manufacturer

Trijicon

Model / MPN

TA55 / 100173

SKU

TA55

UPC

719307302020

Country of Origin

USA

Magnification

5.5× fixed

Objective Lens Diameter

50 mm

Optical Design

Fixed‑power prism (integral ACOG housing)

Reticle

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

Illumination

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

Eye Relief

2.2″ (56 mm)

Field of View @ 100 yd

18.4 ft (3.5°)

Exit Pupil

9.1 mm

Adjustment Click Value

~0.2 MOA per click (≈5 clicks/inch @100 yd)

Total Adjustment Range

~40 MOA windage & elevation

Parallax Focus

Fixed ~100 m

Overall Length

12.0″ (305 mm)

Weight

25.6 oz (725 g) optic; ~28 oz class w/ TA51 mount installed (approx.)

Housing Material / Finish

Forged aluminum; matte black hard anodize

Optical Coatings

Fully multi‑coated, high‑light‑transmission glass

Waterproof / Fog‑Proof

Sealed; dry‑nitrogen filled; deep‑water rated

Shock Resistance

Duty / combat rated

Mount Interface

TA51 flattop Picatinny thumbscrew adapter (included)

Included Accessories

  • TA55 5.5×50 ACOG optic (Red Chevron .223/5.56 BDC)
  • TA51 flattop Picatinny thumbscrew mount
  • Scopecoat protective cover (package dependent)
  • Lens cleaning tool (LensPen® style)
  • Adjuster cap lanyard / hardware kit
  • Trijicon logo sticker
  • Owner’s manual & warranty documentation

SEO Keywords
Trijicon TA55, ACOG 5.5×50 Red Chevron 5.56, long‑range ACOG .223 BDC, dual‑illum fiber tritium riflescope, Trijicon TA55 BAC scope.

Frequently asked questions

What is the return policy?

Our goal is for every customer to be totally satisfied with their purchase. If this isn’t the case, let us know and we’ll do our best to work with you to make it right. 14 day return if you are not happy. Things must be unopened and in original packaging, unless it is faulty.

Are any purchases final sale?

No, you can cancel at anytime and will receive a full refund. We will always work with you.

When will I get my order?

Shipping & Delivery

  • We work quickly to process and ship your order as soon as possible.
  • Once your order has shipped, you’ll receive an email with full tracking details.

Delivery Times

  • Standard delivery from our USA suppliers: 7–10 working days (usually within a week)
  • UK Stock Collection items ship within 24 hours.

Stock & Sourcing

  • Due to limited demand, we do not hold inventory in the UK. All products ship direct from our USA suppliers to us then we ship to you so you don’t pay any imports fees.

Insurance & Guarantees

  • Orders over £300: Free Royal Mail Special Delivery (Guaranteed Next Day, Fully Insured)
  • Orders under £300: Royal Mail Tracked service for £3.99
Where are your products manufactured?

Our products are manufactured both in USA and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.

How much does shipping cost?

Shipping & Insurance

Orders over £300 ship free via Royal Mail Special Delivery, guaranteed next day and fully insured.


Orders under £300 ship via Royal Mail Tracked for a flat fee of £3.99.

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