The Trijicon TA31RCO-M150CP ACOG: The Definitive Battle Optic for Elite Performance

For those who demand uncompromising performance, unwavering reliability, and rapid target acquisition in the most challenging environments, the Trijicon TA31RCO-M150CP Advanced Combat Optical Gunsight (ACOG) stands as the ultimate choice. This isn't just a scope; it's a combat-proven instrument, meticulously engineered to meet and exceed the rigorous demands of military and law enforcement operations, competitive shooting, and serious civilian applications. If you're looking for an optic that eliminates battery dependency, ensures precision in any light, and provides an unparalleled advantage in dynamic situations, the TA31RCO-M150CP is designed for you.

What is the Trijicon TA31RCO-M150CP ACOG and Why Does It Matter?

The TA31RCO-M150CP is specifically designed for the M4 weapon system with a 14.5" barrel, making it an ideal companion for AR-15 platform rifles. It represents a pinnacle in optical engineering, offering a fixed 4x magnification that provides a critical balance between wide field-of-view for situational awareness and sufficient magnification for accurate engagement at extended ranges. This ACOG is more than just a targeting device; it's an extension of the shooter, enhancing their ability to rapidly identify threats, acquire targets, and deliver precise shots under pressure. This is the optic trusted by those whose lives depend on their gear, making it a benchmark for durability, clarity, and combat effectiveness.

Revolutionary Dual Illumination Technology: Always On, Always Ready

One of the most significant advantages of the Trijicon TA31RCO-M150CP is its groundbreaking dual illumination technology. This innovative system ensures your aiming point is perpetually illuminated, adapting seamlessly to ambient light conditions without the need for a single battery. This means no dead batteries in the field, no fumbling for spares, and no loss of reticle visibility when it matters most.

• Fiber Optics for Daylight Brilliance: During daylight hours, the ACOG harnesses the power of ambient light through its integrated fiber optic system. This intelligent design gathers available light and channels it directly to illuminate the reticle. The brighter the surrounding environment, the brighter your reticle appears, self-adjusting to provide optimal visibility. This natural, energy-free illumination ensures your aiming point is always crisp and visible, even in direct sunlight, allowing for immediate target engagement.
• Tritium for Unrivaled Night Vision: As light fades into dusk and total darkness, the self-luminous tritium element takes over. Tritium, a radioactive isotope of hydrogen, continuously emits a soft, green glow, illuminating the reticle without external power. This internal light source guarantees your aiming point remains clearly visible in pitch-black conditions, providing a decisive advantage in low-light or nighttime operations. The tritium has a useful lifespan of many years, offering consistent, reliable illumination without any maintenance.

This ingenious combination of fiber optics and tritium ensures constant, battery-free illumination, a feature that critical professionals and serious enthusiasts universally praise for its reliability and simplicity. It allows operators to keep both eyes open while engaging targets, maintaining maximum situational awareness—a crucial aspect in dynamic, high-stakes scenarios.

The USMC-Specified Reticle: Precision and Speed Combined

The TA31RCO-M150CP features a unique reticle pattern designed to the exact specifications of the United States Marine Corps. This specialized reticle is engineered for exceptional versatility, providing quick target acquisition at close combat ranges while simultaneously offering enhanced target identification and hit probability out to an impressive 800 meters through its integrated Bullet Drop Compensator (BDC).

• Rapid Close-Quarters Engagement: The primary aiming point, often a chevron or horseshoe, is bold and clear, allowing for incredibly fast target acquisition in close-quarters battle (CQB) scenarios. The design intuitively draws the eye to the center, enabling quick follow-up shots and rapid transitions between targets.
• Mastering Long-Range Accuracy with the BDC: Beyond the primary aiming point, the reticle incorporates a sophisticated Bullet Drop Compensator (BDC). This series of horizontal stadia lines or dots corresponds to specific distances for the 5.56x45mm NATO cartridge fired from a 14.5-inch barrel. Once the rifle is zeroed at a specific range (e.g., 100 meters), the BDC allows the shooter to hold over or under for various distances (e.g., 200, 300, 400, 500, 600, 700, and 800 meters) without manually adjusting the scope's elevation turret. This eliminates guesswork and significantly reduces engagement time at varying ranges, making it an invaluable tool for precision shooting. The etched reticle ensures it remains visible even if the illumination system is somehow compromised, providing an essential backup.

Built for Battle: Unyielding Durability and Ergonomics

Durability is not just a feature of the Trijicon ACOG; it's its defining characteristic. Engineered to withstand the harshest combat conditions on the planet, the TA31RCO-M150CP is virtually indestructible.

• Ruggedized Housing: The optic is housed in a robust, aircraft-grade aluminum body, meticulously designed to shrug off impacts, drops, and recoil without losing zero. This military-spec construction ensures the ACOG will perform reliably when you need it most.
• Exceptional Waterproofing: The TA31RCO-M150CP is waterproof up to 11 meters (36 feet) without the need for external caps on its adjusters. This capability makes it impervious to heavy rain, accidental submersion, and extreme humidity, ensuring clear vision and operational integrity in any wet environment. The external adjusters, which allow for windage and elevation changes without special tools, are fully sealed, maintaining the optic's waterproof integrity.
• Fog-Proof Performance: The ACOG is nitrogen-filled to prevent internal fogging in rapidly changing temperatures or high-humidity conditions, ensuring a consistently clear sight picture.
• User-Friendly Adjustments: Gone are the days of needing specialized tools or coin slots for scope adjustments. The TA31RCO features external windage and elevation adjusters, allowing for quick, precise, and tool-free zeroing and adjustments in the field. This ergonomic design is critical for rapid adaptation to changing conditions or rifle setups.

Enhanced Modularity: Integrated RMR Bosses

Recognizing the evolving needs of modern combat, the TA31RCO-M150CP comes with integrated mounting bosses by the eyepiece. These bosses are specifically designed to allow for the easy addition of a Trijicon RMR® (Ruggedized Miniature Reflex) sight (not included).

• The Advantage of a Piggyback RMR: Mounting an RMR on top of the ACOG provides an invaluable close-quarters combat (CQC) solution. While the 4x magnification of the ACOG is perfect for mid-range engagements, a non-magnified RMR offers lightning-fast target acquisition for very close distances (e.g., inside 50 yards). This setup allows the operator to seamlessly transition from long-range precision with the ACOG to rapid, both-eyes-open engagement with the RMR, offering ultimate versatility in dynamic environments. It eliminates the need for offset mounts or canting the rifle, ensuring a natural and efficient shooting posture for both applications.

What's Included: A Comprehensive Kit for Immediate Deployment

The TA31RCO-M150CP isn't just the optic; it's a complete system designed to get you started right out of the box with essential accessories. Each component is chosen to enhance the ACOG's performance and longevity.

• 1 Thumbscrew Flattop Adapter for Picatinny Rail: This robust and easy-to-use adapter ensures secure and stable mounting of your ACOG onto any Picatinny rail system, common on M4 and AR-15 platforms. The thumbscrew design allows for quick attachment and detachment without additional tools.
• 1 killFLASH® Anti-Reflection Device: This honeycomb-patterned device screws into the objective lens, significantly reducing glare and eliminating glint from the lens. This is crucial for maintaining stealth and preventing your position from being compromised by reflections, especially vital in tactical scenarios.
• 1 Objective & Eyepiece Flip Cap Set: These durable, spring-loaded flip caps protect the ACOG's lenses from dust, dirt, scratches, and harsh weather conditions when not in use. They provide quick and easy access to your optics when it's time to engage.
• 1 LENSPEN®: A compact, two-sided cleaning tool specifically designed for optical lenses, featuring a soft brush and a special cleaning tip for removing smudges and fingerprints without damaging the delicate lens coatings.
• 1 Lanyard Assembly for Adjuster Caps: Ensures that your windage and elevation adjuster caps remain tethered to the optic, preventing loss in the field.
• 1 Trijicon Logo Sticker: For the enthusiast who wants to show their brand loyalty.
• 1 RCO Manual: Comprehensive instructions for setup, zeroing, and maintenance specific to the Rifle Combat Optic (RCO) variant.
• 1 Warranty Card: Details Trijicon's industry-leading warranty, providing peace of mind and demonstrating their commitment to quality.

Who Benefits from the Trijicon TA31RCO-M150CP?

• Military Personnel & Law Enforcement Officers: This ACOG is quite literally designed for you. Its combat-proven reliability, battery-free operation, and BDC optimized for service rifles make it an indispensable tool for tactical operations, ensuring readiness and precision in critical situations.
• Competitive Shooters (3-Gun, Tactical Matches): The TA31RCO-M150CP's rapid target acquisition, dual illumination, and BDC significantly reduce split times and improve accuracy across various ranges, giving competitors a distinct edge.
• Serious Civilian Enthusiasts & AR-15 Owners: For those who demand the best for their M4/AR-15 platform, whether for personal defense, training, or recreational shooting, the ACOG offers a level of performance, durability, and a legendary legacy that few optics can match. It’s an investment in a piece of equipment that will reliably perform for decades.

Why Choose DEGuns for Your Trijicon ACOG?

When investing in a premium optic like the Trijicon TA31RCO-M150CP ACOG, choosing a reputable and knowledgeable supplier is paramount. DEGuns is committed to providing customers with authentic Trijicon products, backed by expert support and competitive pricing. We understand the importance of reliable gear for your specific needs, and our selection reflects our dedication to quality and performance. The Trijicon TA31RCO-M150CP is available for purchase at DEGuns, where you can be assured of receiving a genuine product with all included accessories and full manufacturer support.

Experience the unparalleled performance and legendary reliability of the Trijicon TA31RCO-M150CP ACOG. Equip your M4/AR-15 with an optic that's built for victory and designed to excel in any light, any weather, anywhere.

Product Specifications & Included Items

Feature	Description
Model	Trijicon TA31RCO-M150CP Advanced Combat Optical Gunsight (ACOG)
Magnification	4x Fixed
Aiming Point	USMC-specified Reticle with Bullet Drop Compensator (BDC)
Illumination	Dual Illumination: Fiber Optics (Daylight) & Tritium (Low Light/Night)
Battery Requirement	None (Battery-Free Operation)
Waterproof Rating	Up to 11 meters (36 feet) without caps
Adjustments	External Windage & Elevation (Tool-free)
Mounting	Integrated Thumbscrew Flattop Adapter for Picatinny Rail
Modularity	Integrated Mounting Bosses for Trijicon RMR® (RMR not included)
Designed For	US Army M4 Weapon System (14.5" barrel) / AR-15 Platforms
Visibility Range	Effective out to 800 meters with BDC
SKU	100228
UPC	719307302242
Included Accessories	KillFLASH® Anti-Reflection Device, Objective & Eyepiece Flip Cap Set, LENSPEN®, Lanyard Assembly for Adjuster Caps, Trijicon Logo Sticker, RCO Manual, Warranty Card