
Trijicon 100394 ACOG 4x 32mm Obj 36.8 ft @ 100 yds FOV Black Matte Finish Illuminated Red Horseshoe Dot 223 w/TA51 Mount
$899.00
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The Ultimate Guide to the Trijicon ACOG 4x32 Rifle Scope with Red Horseshoe Dot .223 Reticle and TA51 Mount
When it comes to battle-proven optics, few names command as much respect and recognition as Trijicon. For discerning shooters who demand unwavering reliability, unparalleled durability, and crystal-clear clarity in any environment, the Trijicon ACOG 4x32 Rifle Scope with Illuminated Red Horseshoe Dot .223 Ballistic Reticle and TA51 Mount (UPC: 843068100394) stands as an iconic choice. This fixed-power optic is not merely an accessory; it's a mission-critical tool engineered to perform flawlessly when it matters most, whether you're a military professional, a law enforcement officer, a competitive shooter, or a serious hunter.
What Makes the Trijicon ACOG 4x32 the Go-To Optic for Demanding Applications?
The Trijicon ACOG (Advanced Combat Optical Gunsight) has earned its legendary status through decades of real-world deployment in the most challenging conditions imaginable. Its fixed 4x magnification strikes an optimal balance, providing sufficient power for precision at medium ranges while maintaining a wide field of view for rapid target acquisition in dynamic situations.
Unrivaled Clarity and Optical Performance
At the heart of the ACOG’s exceptional performance is its superior optical system. The 32mm objective lens gathers ample light, contributing to a bright, sharp, and high-contrast image, even in dim conditions. Users frequently ask, "What scope offers the clearest view?" or "Which rifle scope performs best in low light?" The Trijicon ACOG consistently ranks among the top, providing:
- Edge-to-Edge Clarity: No distortion or fuzziness, ensuring every detail is sharp.
- True Color Representation: Accurate color rendition for precise target identification.
- Generous Field of View: With a 36.8 ft field of view at 100 yards, shooters maintain excellent situational awareness, crucial for dynamic engagements or tracking moving game. This wide perspective makes it easier to spot threats or targets quickly.
The Intelligent Red Horseshoe Dot .223 Ballistic Reticle
The illuminated Red Horseshoe Dot reticle, specifically calibrated for .223 (5.56mm) ammunition, is a masterclass in intuitive design. It answers the crucial question, "How can I achieve rapid target acquisition and precise aiming at varying distances?"
- Horseshoe Design: The outer horseshoe provides a large, fast aiming point for close-quarters battle (CQB) or rapidly engaging multiple targets. When combined with the Bindon Aiming Concept (BAC) – the practice of using both eyes open to acquire targets quickly – this reticle allows for astonishingly fast target acquisition while still maintaining the ability to make precise shots.
- Central Dot: The precise central dot within the horseshoe is ideal for accurate shots at longer distances.
- Ballistic Drop Compensation (BDC): Integrated hash marks below the central dot are pre-calibrated for .223/5.56mm ammunition, providing holdovers for different ranges (typically 100 to 600 meters). This eliminates the need for manual adjustments or guesswork, allowing shooters to confidently engage targets at extended distances. This feature is particularly valuable for users who ask, "What's the best scope for a .223 rifle for long range?" or "How do I compensate for bullet drop without adjusting my scope?"
- Passive Illumination System: A signature Trijicon innovation, the ACOG’s reticle illumination is entirely battery-free. It utilizes a combination of tritium and fiber optics.
- Fiber Optics: During daylight hours, ambient light is channeled through the fiber optic light collector, brilliantly illuminating the reticle. This self-adjusting system ensures optimal brightness without blinding the user.
- Tritium: In low light conditions or complete darkness, the self-luminous tritium lamp takes over, providing a constant, glowing reticle. This ensures visibility 24/7, making it an indispensable tool for operations that span day and night. The question "How does a tritium scope work?" is often followed by the realization of its incredible advantage: always-on, always-ready illumination.
Legendary Durability: Built for the Battlefield
When users ask, "What is the most durable rifle scope?" or "Can a scope withstand extreme conditions?", the Trijicon ACOG is often the first answer. Its reputation for ruggedness is unparalleled.
- Forged 7075-T6 Aircraft-Grade Aluminum Housing: This housing is virtually indestructible, designed to absorb recoil and impacts without compromising zero. It’s built to withstand the harshest abuse.
- Waterproof and Submersible: Engineered to be completely waterproof, the ACOG can be submerged without any ingress of water, making it reliable in torrential rain, river crossings, or maritime environments.
- Fog-Proof: Nitrogen-filled to prevent internal fogging, ensuring a clear sight picture in rapidly changing temperatures or high humidity.
- Shockproof: Tested rigorously to withstand extreme shock and vibration, maintaining its zero even after hard drops or continuous recoil from high-powered firearms.
This level of robust construction provides critical peace of mind for professionals and enthusiasts alike, ensuring the optic performs flawlessly when every shot counts.
The Reliable TA51 Mount
The Trijicon ACOG 4x32 is shipped with the industry-standard TA51 mount. This robust, thumb-screw mount system provides:
- Secure Attachment: A rock-solid connection to MIL-STD-1913 Picatinny rails, ensuring minimal movement and maximum zero retention.
- Repeatable Zero: Designed to maintain its zero even after being removed and reattached, a vital feature for those who need to quickly swap optics or perform rifle maintenance.
- Durability: Constructed from high-quality aluminum, matching the ACOG's inherent strength.
Who is the Trijicon ACOG 4x32 Ideal For?
This specific ACOG model answers a wide range of needs for diverse shooting disciplines.
- Military and Law Enforcement Professionals: For those in uniform, the ACOG is a trusted partner. Its reliability, speed, and durability are critical for tactical operations, ensuring they can perform under pressure. Questions like "What optic do special forces use?" often lead to the Trijicon ACOG.
- Competitive Shooters (e.g., 3-Gun Competitors): The ACOG's rapid target acquisition, wide field of view, and passive illumination are enormous advantages in fast-paced competitions where fractions of a second matter. Its fixed 4x power is often favored for its simplicity and robustness.
- Hunters: For medium-range hunting, especially in dense brush or low-light conditions, the ACOG provides the clarity and precision needed for ethical shot placement. The 4x magnification is perfect for common hunting distances, and the battery-free illumination ensures it's always ready, regardless of the sun's position.
- Home Defense and Self-Defense Enthusiasts: The ACOG offers an incredible advantage for home defense scenarios due to its instant-on reticle, rapid target acquisition capabilities, and robust build. It allows for quick, decisive action without fumbling for batteries or turning on switches.
- AR-15 Owners and Modern Sporting Rifle Enthusiasts: Often considered the quintessential optic for the AR-15 platform, the ACOG 4x32 with its .223 BDC reticle is perfectly matched for the most popular modern sporting rifle cartridge. Users frequently seek "the best optic for an AR-15" or "a reliable scope for my tactical rifle," and the ACOG consistently delivers.
Addressing Common Questions and Scenarios
"Is the Trijicon ACOG worth the investment?"
While Trijicon ACOGs represent a significant investment, their value is undeniable. The combination of battle-proven reliability, cutting-edge optical performance, battery-free illumination, and extreme durability translates into an optic that will perform flawlessly for decades. Many users consider it a "buy once, cry once" purchase, meaning you invest in quality that lasts a lifetime, avoiding the need for future replacements due to failure or inadequate performance. Its proven track record in the most demanding environments speaks volumes about its enduring value.
"How do I zero a Trijicon ACOG?"
Zeroing a Trijicon ACOG is straightforward. Like most rifle scopes, it involves making windage and elevation adjustments based on your point of impact relative to your point of aim. The ACOG features clear, tactile adjustment turrets. While specific instructions are detailed in the user manual, the core process involves:
- Mounting the ACOG securely on your rifle's Picatinny rail using the included TA51 mount.
- Firing a group of shots at a known distance (e.g., 25 or 100 yards).
- Adjusting the windage and elevation turrets to move the point of impact towards the point of aim. Each click on the ACOG typically corresponds to 1/2 MOA (Minute of Angle) or 1/4 MOA adjustment, depending on the model, allowing for precise zeroing.
- Confirming your zero by firing additional groups.
The ACOG's robust construction ensures that once zeroed, it holds its zero with exceptional reliability, even under heavy recoil or rough handling.
"What are the benefits of a fixed power optic like the ACOG?"
Compared to variable power scopes, fixed power optics offer several distinct advantages:
- Simplicity: No need to adjust magnification, reducing complexity under stress.
- Durability: Fewer moving parts mean greater resistance to impact and less to go wrong. This contributes significantly to the ACOG’s legendary robustness.
- Brighter Image: Fixed power designs often allow for simpler optical paths, which can result in a brighter image and better light transmission.
- Weight Reduction: Typically lighter than comparable variable power scopes.
"What's the difference between a traditional scope and an ACOG?"
While both are rifle optics, the ACOG is uniquely designed as a compact, rugged, and rapidly deployable combat optic. Key differences include:
- Fixed Magnification: Primarily designed for a specific engagement envelope.
- Battery-Free Illumination: A key differentiator, providing constant, reliable illumination without external power sources.
- Bindon Aiming Concept (BAC): Designed to be used with both eyes open for unparalleled situational awareness and rapid target acquisition.
- Extreme Durability: Built to military specifications, often exceeding what's expected of many traditional hunting or sport shooting scopes.
- Integrated Mount: Often comes with a dedicated, robust mounting solution like the TA51, optimized for its specific design.
Comprehensive Features and Specifications
The Trijicon ACOG 4x32 with Red Horseshoe Dot .223 Reticle and TA51 Mount (UPC: 843068100394) boasts an impressive array of technical specifications that underscore its superior design and performance. Every detail, from the optical properties to the physical dimensions, is optimized for peak operational efficiency.
- Magnification: 4x
- Objective Lens Diameter: 32mm
- Reticle Pattern: Illuminated Red Horseshoe Dot with Ballistic Drop Compensator (BDC)
- Reticle Color: Red (day and night)
- Illumination Source: Fiber Optics (day) and Tritium (night)
- Eye Relief: 1.5 inches (38.1 mm)
- Exit Pupil: 8.0 mm
- Field of View (Degrees): 7 degrees
- Field of View @ 100 yards: 36.8 ft (12.3 meters @ 100 meters)
- Adjustment @ 100 yards (Clicks per inch): 2 clicks per inch (1/2 MOA per click)
- Housing Material: Forged 7075-T6 Aircraft-Grade Aluminum
- Finish: Matte Black
- Waterproof: To 100 ft (30 meters)
- Fogproof: Yes, nitrogen-filled
- Shockproof: Yes
- Mount: TA51 Picatinny Rail Mount (included)
- Length: 6.2 inches (157 mm)
- Weight (with mount): 15.8 oz (447 grams)
- Operating Temperature Range: -60°F to +160°F (-51°C to +71°C)
- Storage Temperature Range: -60°F to +160°F (-51°C to +71°C)
Maintenance and Care for Your Trijicon ACOG
While the Trijicon ACOG is renowned for its low maintenance requirements, a few simple practices can ensure its longevity and continued peak performance:
- Cleaning Lenses: Use a soft, lint-free cloth and Trijicon's Lenspen or a specialized lens cleaning solution. Avoid harsh chemicals or abrasive materials.
- Exterior Cleaning: A damp cloth can be used for the external housing.
- Mount Security: Periodically check that the TA51 mount screws are securely tightened to the Picatinny rail.
- Storage: Store in a cool, dry place. No special battery removal is needed, as it is battery-free.
The Enduring Legacy of Trijicon
The Trijicon ACOG 4x32 with Illuminated Red Horseshoe Dot .223 Reticle and TA51 Mount is more than just an optic; it's a testament to Trijicon's commitment to innovation, quality, and the needs of serious shooters. Its status as a military standard and preferred choice among professionals worldwide speaks volumes about its performance and reliability. For anyone seeking an uncompromising optical solution that excels in speed, precision, and durability across a spectrum of demanding applications, this ACOG model represents the pinnacle of fixed-power rifle scope technology. Products like these, built to such high standards, are consistently available from reputable dealers like DEGuns.
| Feature | Specification | Benefit |
|---|---|---|
| Magnification | 4x Fixed | Balance of precision and wide field of view |
| Objective Lens | 32mm | Excellent light gathering for bright, clear images |
| Reticle | Red Horseshoe Dot .223 BDC | Rapid target acquisition, precise aiming, integrated bullet drop comp. |
| Illumination | Tritium & Fiber Optic (Battery-Free) | Constant, self-adjusting brightness in all light conditions |
| Field of View (100 yds) | 36.8 ft | Exceptional situational awareness and target tracking |
| Housing Material | Forged 7075-T6 Aluminum | Unparalleled durability and shock resistance |
| Waterproof | To 100 ft (30m) | Reliable performance in extreme weather or aquatic environments |
| Mount | TA51 (Included) | Secure, repeatable zero on Picatinny rails |
| Weight (with mount) | 15.8 oz (447g) | Lightweight for enhanced maneuverability |
| UPC | 843068100394 | Unique Product Identifier for Trijicon ACOG 4x32 w/ Red Horseshoe Dot |
Specifications
Explore the specific details and characteristics
- SKU
- 100394
- UPC
- 843068100394
- MPN
- 100394







