Trijicon ACOG 5.5x50 BAC Riflescope .308 Red Chevron BDC – TA55A
$1,709.00
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Trijicon
Trijicon ACOG 5.5x50 BAC Riflescope .308 Red Chevron BDC – TA55A
$1,709.00
TA55A
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Shipping Information
Orders ship within the United States only and are typically processed in 1–2 business days. Delivery estimates and any free-shipping offers are shown at checkout. We do not ship internationally. Read our full Shipping Policy.
Returns
Unused items in their original packaging may be returned within 30 days of delivery. Optics that have been mounted or used may be inspected. Email support@dnrsports.com to start a return. Read our full Return & Refund Policy.
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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Product Overview
Overview
The Trijicon ACOG 5.5x50 BAC Riflescope .308/7.62 BDC Red Chevron Reticle is a Trijicon rifle scope. Backed by Trijicon's Limited Lifetime Warranty.
How It Compares
Compare with the Trijicon ACOG 5.5x50 BAC Riflescope .223/5.56 BDC Red Chevron Reticle. Browse all rifle scopes or Trijicon rifle scopes.
Ideal For
- Precision and hunting rifles
- Shooters wanting Trijicon glass and turrets
- Long-range and mid-range work
Key Features
- Reticle: Red Chevron BDC; chevron tip zero at 100 m; chevron base width 5.53 MOA = 19 in at 300 m for silhouette range estimation
- Illumination: Dual illuminated: fiber optics (day) + tritium (night); battery-free
- Warranty: Trijicon Limited Lifetime Warranty
Technical Specifications
| Magnification / Objective | 5.5x fixed |
| Objective | 50 mm |
| Reticle | Red Chevron BDC; chevron tip zero at 100 m; chevron base width 5.53 MOA = 19 in at 300 m for silhouette range estimation |
| Caliber Calibration | .308 / 7.62 nato BDC |
| Illumination | Dual illuminated: fiber optics (day) + tritium (night); battery-free |
| Adjustment Range | 5 clicks per inch @ 100 yards (~0.2 MOA/click) |
| Eye Relief | 2.2 in (55.88 mm) |
| Exit Pupil | 0.35 in (8.89 mm). |
| Field of View | 18.4 ft @ 100 yds (3.5 deg) |
| Length | 12.0 in (LxWxH 12 x 2.5 x 2.7 in) |
| Weight | 25.6 oz (725.75 g) |
| Housing | Forged aluminum, matte black |
| Mount | TA51 flattop thumbscrew adapter (included) |
| Water Resistance | Waterproof, dry-nitrogen filled; exceeds military standards |
| What's Included | Thumbscrew flattop adapter (TA51); 5.5x50 Scopecoat (TA65); lenspen (TA56); lanyard assembly for adjuster caps (TA71E); logo sticker (PR15); ACOG |
| SKU / MPN / UPC | TA55A / TA55A / 719307302037 |
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 the USA by D&R Sports Center. Questions about reticles, mounts or fit? Contact us before you order and we'll help.
Frequently Asked Questions
Is the reticle illuminated?
Dual illuminated: fiber optics (day) + tritium (night); battery-free.
Is this a genuine Trijicon product?
Yes — factory-new Trijicon, supplied through US distribution.
Is this a genuine Trijicon product?
Yes — factory-new Trijicon, supplied through US distribution.
What warranty does it carry?
Trijicon's Limited Lifetime Warranty. The tritium lamp carries its own multi-year term from date of manufacture.
By the Numbers
Technical Specifications
- SKU
- TA55A
- UPC
- 719307302037
- Manufacturer
- Trijicon
- Model / MPN
- TA55A / 100175
- Country of Origin
- USA
- Magnification
- 5.5× fixed
- Objective Lens Diameter
- 50 mm
- Optical Design
- Fixed‑power prism (integral ACOG housing)
- Reticle
- Red Chevron .308/7.62 BDC (dual‑illum fiber optic / tritium)
- Illumination
- Fiber (day) / 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
- 5 clicks/inch @100 yd (~0.2 MOA per click)*
- Total Adjustment Range
- ~40 MOA windage & elevation
- Parallax Focus
- Fixed ~100 m
- Overall Length
- 12.0″ (305 mm)
- Weight
- 25.6 oz (optic); ~28 oz class w/ TA51 mount (approx.)
- Housing Material / Finish
- Forged aluminum; matte black hard anodize
- Optical Coatings
- Fully multi‑coated, high‑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)
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