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Description
A fixed 4x32 ACOG riflescope with a red Chevron BDC reticle and fibre optic and tritium illumination, designed for the M4 weapon system and professional users.
This Advanced Combat Optical Gunsight (ACOG) combines 4x magnification with a 32mm objective and a red Chevron reticle with bullet drop compensator, calibrated for 0.223 (14.5 in. barrel) as used on the M4 weapon system.
Dual illumination by fibre optics and tritium keeps the aiming point lit without batteries: the tritium illuminates it in total darkness, while the fibre optic adjusts reticle brightness to ambient light during daylight.
The scope is supplied on a Flattop Thumbscrew Mount (TA51), and its forged aluminium housing has a matte black finish.
Key features
- Battery-free illumination — Fibre optics and self-luminous tritium keep the aiming point illuminated at all times without the use of batteries.
- Bullet drop compensator — The Chevron reticle gives quick target acquisition at close combat ranges and, with the bullet drop compensator, enhanced target identification and hit probability out to 800 metres.
- Both eyes open — The Bindon Aiming Concept allows shooting with both eyes open for improved situational awareness.
- External adjusters — External windage and elevation adjusters need no tools.
- RMR mounting bosses — Mounting bosses integrated into the housing by the eyepiece allow a Trijicon RMR to be added, which is not included.
- Fixed-power housing — The fixed-power design keeps moving parts to a minimum, and the dry nitrogen-filled housing mitigates fogging.
- Multi-coated lenses — Multi-coated lenses maximise light-gathering and give a clear field of view.
Typical applications
- Magnified primary optic for carbines of the M4 type in service and law-enforcement use.
- Engaging targets at close combat ranges while keeping both eyes open.
- Operations that run from daylight into total darkness.
Technical specifications
| Length × width × height | 5.98 in x 2 in x 2.3 in (151.89mm x 50.8mm x 58.42mm) |
| Weight | 14.9 oz. (422.41g) |
| Magnification | 4x |
| Objective size | 32mm |
| Reticle pattern | Chevron |
| Day reticle colour | Red |
| Night reticle colour | Red |
| Bullet drop compensation (BDC) | Yes |
| Calibre | 0.223 (14.5 in. barrel) |
| Bindon Aiming Concept (BAC) | Yes |
| Illumination source | Fiber Optics & Tritium |
| Power source | Fiber Optics & Tritium |
| Eye relief | 1.5 in. (38.1mm) |
| Exit pupil | 0.32 in. (8.13mm) |
| Field of view (degrees) | 7° |
| Field of view (distance) | 36.8 ft. @ 100 yds. (12.27m @ 100m) |
| Mount | Flattop Thumbscrew Mount (TA51) |
| Housing material | Forged Aluminum |
| Finish | Matte Black |
| Submersion depth | 66 ft. (20m) |
In the box
- 1 × ACOG® 4x32 Army RCO Riflescope - M4 — Red Chevron Reticle , Thumbscrew Mount, Tritium / Fiber Optics Illuminated, Matte Black
- Thumbscrew Flattop Adapter (TA51)
- KillFlash Anti-Reflection Device (TA91)
- Objective & Eyepiece Flip Cap Set
- LENSPEN (TA56)
- Lanyard Assembly for Adjuster Caps (TA71E)
- Trijicon Logo Sticker (PR15)
- RCO Manual
- Warranty Card
Model information
| Brand | Trijicon |
| Model | ACOG® 4x32 Army RCO Riflescope - M4 — Red Chevron Reticle , Thumbscrew Mount, Tritium / Fiber Optics Illuminated, Matte Black |
| MPN | TA31RCO-M150CP |
