

The Trijicon ACOG 4x32 USMC Combat Optic TA31RCO-M4CP 100230 is engineered for precise targeting in challenging environments, specifically designed for M4 and M4A1 systems. It features a dual illumination system that automatically adjusts reticle brightness based on ambient light, utilizing fiber optics during the day and tritium for low-light conditions. This functionality ensures consistent visibility without relying on batteries, making it dependable in various lighting scenarios.
Meeting the stringent standards set by the United States Marine Corps, this optic excels in rapid target acquisition for close combat situations. The integrated bullet drop compensator enhances accuracy at distances up to 800 meters. With external windage and elevation adjustments, making precise changes is straightforward and tool-free, increasing usability in the field. Weighing 15.8 oz and offering a 36.8 ft field of view at 100 yards, this robust optic combines durability with performance.
Key Features:
- DUAL ILLUMINATION SYSTEM: Utilizes fiber optics for daylight brightness adjustment and tritium for low-light conditions, eliminating the need for batteries and ensuring constant reticle illumination in any environment.
- MARINE CORPS SPECIFICATIONS: Built to meet rigorous USMC standards, guaranteeing exceptional performance and reliability in the most demanding combat situations.
- ENHANCED TARGET ACQUISITION: Offers quick and precise target acquisition at close combat ranges, with improved target identification capabilities ensuring hit probability up to 800 meters.
- WATERPROOF CONSTRUCTION: Engineered to be waterproof up to 11 meters, this optic maintains reliable operation in various challenging conditions, from heavy rain to submersion.
- TOOL-FREE ADJUSTMENTS: Features external windage and elevation adjustments that can be easily modified without the need for additional tools, enhancing field usability and convenience.
- DURABLE DESIGN: Constructed with a rugged matte black finish and robust housing, ensuring longevity and resistance to harsh operational environments.
- VERSATILE MOUNTING: Includes integrated mounting bosses that allow for easy addition of a Trijicon RMR, expanding the optic's capabilities for various shooting scenarios.
- OPTIMAL OPTICAL PERFORMANCE: Provides a generous 1.5" eye relief and an 8.1 mm exit pupil, allowing for comfortable viewing and rapid target engagement while maintaining situational awareness.
Technical Specifications
Specification | Details |
---|---|
Model | TA31RCO-M4CP |
SKU/MPN | 100230 |
Condition | New |
Magnification | 4x |
Objective Diameter | 32mm |
Weight | 15.8 oz with mount and ARD |
Length | 6.7" |
Field of View | 7° (36.8 ft @ 100 yards) |
Eye Relief | 1.5" |
Exit Pupil | 8.1 mm |
Reticle | Red Chevron |
Illumination | Fiber optic and tritium |
Adjustment Click Value | 2 clicks/inch @ 100 yards |
Parallax | Fixed |
Finish | Black |
Waterproof | Up to 11 meters |
UPC | 719307302075 |
What's in the Box?
- Trijicon ACOG 4x32 Optic
- Mounting hardware
- Lens covers
- Instruction manual
Customer Reviews
"Durable and reliable in all conditions. Perfect for my needs." - J. Smith
"The clarity at distance is impressive. Highly recommend!" - L. Johnson
"Quick adjustments make it ideal for fieldwork. Great choice!" - M. Lee
FAQ
How does the dual illumination system work? The dual illumination system combines fiber optics and tritium to automatically adjust the reticle brightness based on the surrounding light conditions, ensuring optimal visibility without batteries.
Is the optic suitable for low-light situations? Yes, the tritium ensures that the reticle remains illuminated in low-light environments, providing reliable performance for nighttime operations or during dawn and dusk.
What are the major differences between the ACOG and other scopes? Compared to traditional scopes, the ACOG offers a fixed magnification, dual illumination, and enhanced durability, making it ideal for tactical use where quick target acquisition is critical.
Can this optic withstand harsh weather conditions? Absolutely. The ACOG is waterproof up to 11 meters, designed to function in extreme conditions, from heavy rain to submersion.
How do I maintain the ACOG optic? Regularly check for any dirt or debris on the lenses. Use a soft cloth for cleaning, and ensure the housing remains free from scratches or damage to maintain its integrity.
Similar Models
Looking for more options? Explore our extensive Trijicon lineup, including models like the Trijicon ACOG 3.5x35 for enhanced versatility and the Trijicon MRO Red Dot Sight for faster target acquisition. Discover our full collection for exceptional optics tailored to your shooting needs.
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