Precision optics are the backbone of modern close-quarters and mid-range engagements. A rugged, always-on aiming solution that blends passive illumination with proven reticle design makes the difference when speed and situational awareness matter most.
TRIJICON ACOG delivers that capability in a compact package. The TA31RCO is an Advanced Combat Optical Gunsight ACOG designed specifically for the US Army’s M4 weapon system with a 14.5″ barrel. It uses dual illumination—fiber optics paired with self-luminous tritium—so the aiming point remains visible without batteries: fiber optics self-adjust reticle brightness in daylight while tritium sustains the aiming point in total darkness.
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Why choose the TRIJICON ACOG
Built by Trijicon, a name synonymous with military-grade optics, the ACOG series emphasizes durability, reliability, and rapid target acquisition. The TA31RCO model stands out for its battery-free illumination system that supports a two-eye-open shooting posture, which preserves peripheral vision and target tracking during dynamic engagements.
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Key features and tactical advantages
Dual illumination: fiber optics + tritium
Daylight performance is managed passively by fiber optic channels that brighten or dim the reticle with ambient light. When ambient light is absent, the embedded tritium illuminant keeps the aiming point visible without batteries—ideal for night operations and prolonged deployments.
Optimized for M4 platforms
The TA31RCO’s reticle and eye relief are tuned for the M4 14.5″ barrel configuration, delivering intuitive holdovers and rapid engagement within typical infantry engagement ranges. Trijicon’s build quality ensures the optic handles recoil, impact, and adverse conditions encountered in field use.
Price and availability
At $1,456.99, the TRIJICON ACOG sits in the upper tier for fixed-power combat optics, reflecting its military-grade components and battery-free illumination. For teams and individual operators prioritizing uptime and low logistics burden, the TA31RCO represents a long-term investment in capability. View product details and pricing.
For operators who demand a low-maintenance, high-visibility sighting system tailored to M4 platforms, the TRIJICON ACOG TA31RCO remains a benchmark. Check current availability on our shop page to confirm stock and complete your purchase through the retailer.
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People Also Ask
What makes this product stand out from competitors?
This product offers superior quality and innovative features that set it apart in the market. Its design focuses on both performance and reliability, making it a top choice for professionals and enthusiasts alike.
Is this product suitable for beginners?
Yes, this product is designed with user-friendly features that make it accessible to beginners while still offering advanced capabilities for experienced users.
What warranty or support is available?
The product comes with comprehensive warranty coverage and excellent customer support to ensure your satisfaction and peace of mind.
How does this compare to similar products in its price range?
This product offers exceptional value for its price point, providing features and quality that typically cost significantly more in comparable alternatives.
What maintenance is required?
Minimal maintenance is required thanks to the product’s durable construction and quality materials. Regular cleaning and occasional inspections will keep it performing optimally.
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