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Description
A fixed-power 5.5x50 ACOG riflescope with a red chevron .308 / 7.62 BDC reticle, for professional users of .308 / 7.62 rifles who need magnified aiming.
This ACOG riflescope combines 5.5x magnification with a 50mm objective and a red chevron reticle with bullet drop compensation for .308 / 7.62.
The reticle is illuminated by fibre optics and tritium and adjusts its brightness automatically to the available light.
It is supplied on a Flattop Thumbscrew Mount (TA51) with a forged aluminium housing in a matte black finish.
Key features
- Chevron ranging reticle — The chevron is zeroed using its tip at 100 metres, and its 5.53 MOA base width, 19 in. at 300 metres, allows range estimation for silhouette targets.
- Self-adjusting illumination — A tritium and fibre optic illuminated reticle adjusts its brightness automatically to the available light.
- Both eyes open — The Bindon Aiming Concept (BAC) supports both-eyes-open shooting for improved situational awareness.
- Fixed-power design — The fixed-power design keeps moving parts to a minimum for a rugged, reliable sighting system.
- Multi-coated optics — Multi-coated lenses maximise light-gathering and give a clear field of view.
- Shock resistant — The scope is proven to withstand recoil from .22LR to .50BMG and passes U.S. Military drop test requirements.
- Waterproof, nitrogen-filled — The dry nitrogen-filled, waterproof housing mitigates fogging and is tested to perform in extreme cold and heat.
Typical applications
- Magnified aiming on .308 / 7.62 rifles with holdover from the calibrated reticle
- Range estimation of silhouette targets in the field
- Duty use in changing light conditions, day and night
Technical specifications
| Length × width × height | 12 in x 2.5 in x 2.7 in (304.8mm x 63.5mm x 68.58mm) |
| Weight | 25.6 oz. (725.75g) |
| Magnification | 5.5x |
| Objective size | 50mm |
| Reticle pattern | Chevron |
| Day reticle colour | Red |
| Night reticle colour | Red |
| Bullet drop compensation (BDC) | Yes |
| Calibre | .308 / 7.62 |
| Bindon Aiming Concept (BAC) | Yes |
| Illumination source | Fiber Optics & Tritium |
| Power source | Fiber Optics & Tritium |
| Adjustment | 5 clicks per in. @100 yards |
| Eye relief | 2.2 in. (55.88mm) |
| Exit pupil | 0.35 in. (8.89mm) |
| Field of view (degrees) | 3.5° |
| Field of view (distance) | 18.4 ft. @ 100 yds. (6.13m @ 100m) |
| Mount | Flattop Thumbscrew Mount (TA51) |
| Housing material | Forged Aluminum |
| Finish | Matte Black |
In the box
- 1 × ACOG® 5.5x50 BAC Riflescope - .308 / 7.62 BDC — Red Chevron Reticle. Thumbscrew Mount, Tritium / Fiber Optics Illuminated, Matte Black
- Thumbscrew Flattop Adapter (TA51)
- 5.5x50 Scopecoat (TA65)
- LENSPEN (TA56)
- Lanyard Assembly for Adjuster Caps (TA71E)
- Trijicon Logo Sticker (PR15)
- ACOG Manual
- Warranty Card
Model information
| Brand | Trijicon |
| Model | ACOG® 5.5x50 BAC Riflescope - .308 / 7.62 BDC — Red Chevron Reticle. Thumbscrew Mount, Tritium / Fiber Optics Illuminated, Matte Black |
| MPN | TA55A |







