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Trijicon ACOG 4x32 LED Riflescope - .223 / 5.56 BDC Red Crosshair Reticle - Thumbscrew Colt Knob Mount, Forward AA Battery Housing - TA02-C-100190
Product Description
If you have ever trained with a traditional fiber-optic Advanced Combat Optical Gunsight (ACOG), you are likely familiar with the "reticle washout" phenomenon. When shooting from a dark staging bench or covered firing line out into a bright, sunlit bay, the fiber-optic tube cannot collect enough ambient light, leaving your aiming point dim and hard to track. Conversely, standing under a midday sun can make the reticle bloom so brightly that it blurs out small targets. The **Trijicon® TA02 ACOG® 4x32 LED Riflescope (TA02-C-100190)** completely flatlines this tactical issue by replacing the fiber-optic strip with an electronically driven, adjustable LED illumination system.
Proudly forged and built in Wixom, Michigan, this combat-proven optic is housed in a nearly indestructible 7075-T6 aircraft-grade aluminum unibody. It features a high-efficiency digital illumination wheel located on the forward left side, providing 6 distinct brightness levels with handy "off" notches between each setting. The scope runs on a single, universally available AA battery tucked inside a ruggedized forward compartment, delivering up to 12,000 hours of continuous runtime on setting 4. Inside the crystal-clear Schott glass assembly is a specialized **.223 / 5.56 Ballistic Drop Compensating (BDC) Red Crosshair reticle**, calibrated to trace standard 55-grain or 62-grain NATO trajectory drops accurately out to 600 meters.
The TA02 body design also offers a distinct structural advantage over classic models: by shifting the battery compartment forward, it moves the top mounting boss forward as well. This allows you to mount a secondary Trijicon RMR® or SRO® micro red dot completely clear of the rear ocular eyepiece for rapid close-quarters transitions. Complete with a rugged dual-thumbscrew Colt knob mount, this battle optic is ready to anchor your premium defensive rifle network.
*Armorer Bench Notes & Real-World Zeroing Guidance: The Trijicon TA02-C-100190 combat optic arrives complete and securely cushioned inside an impact-resistant polymer storage vault on your workbench, bundled with 1x AA Lithium Battery, a protective Scopecoat sleeve, a Lenspen cleaning tool, and factory manual documentation portfolio. UNDERSTANDING THE LED CALIBRATION EDGE: Because this ACOG relies entirely on solid-state digital LED tech rather than radioactive Tritium gas, it has no internal half-life degradation clock. It preserves peak brightness performance decades down the road on your bench. Armorer Workbench Mounting Parameters: When clamping the factory dual-thumbscrew mount onto your rifle's mil-spec Picatinny top rail, ensure you slide the optic body as far rearward as your eye relief allows (standard ACOG eye relief is a short 1.5 inches). Hand-tighten the large Colt style knobs until snug, then use a coin or flathead tool to turn them an additional quarter-turn to lock them securely down. If using an armorer's torque wrench, tighten the thumbscrews to exactly **30 in-lbs**. Zeroing Pro-Tip: The internal adjustment turrets click at **2 clicks per inch at 100 yards** (0.5 MOA per click). The BDC reticle crosshair is engineered to be zeroed exactly at **100 meters** (approx. 109 yards) using the center intersection point. Once locked in, the lower horizontal stadia hashmarks automatically align with standard 5.56 NATO bullet drops at 300, 400, 500, and 600 meters, allowing you to bypass manual elevation adjustments in the field.*
Key Features
- Adjustable LED Illumination Engine: Replaces traditional fiber optics with an electronic dial hosting 6 brightness steps, ensuring a crisp, sharp reticle pattern in any lighting transition.
- Rugged AA Battery Configuration: Driven by a single, standard AA battery housed in a robust front compartment, delivering up to 12,000 hours of continuous reticle runtime.
- Forged 7075-T6 Aluminum Housing: The unibody shell is forged from high-strength aircraft aluminum alloy, built to survive severe drop shocks, explosive concussions, and rough field duty.
- Calibrated 5.56 NATO BDC Reticle: The red crosshair reticle features integrated ballistic drop staging marks tailored to match standard .223 Rem / 5.56mm trajectories out to 600 meters.
- Optimized Red Dot Mounting Footprint: Moving the battery compartment forward relocates the secondary optic bosses, allowing an RMR to sit forward for comfortable, clear CQB eye tracking.
- Waterproof & Nitrogen Purged: Fully sealed and pressurized with dry nitrogen gas to completely prevent internal fogging or moisture intrusion down to a depth of 100 feet.
Product Specifications
- Brand: Trijicon® (Wixom, Michigan)
- Model Line: ACOG® (Advanced Combat Optical Gunsight) LED Battery Series
- MPN/SKU: TA02-C-100190 (Also cataloged as TA02 Red Crosshair .223)
- UPC Code Profile: 719307304833
- Optical Magnification Level: Fixed 4x Power Performance
- Objective Lens Diameter: 32 mm Clear Aperture Lens
- Reticle Configuration Style: Crosshair Pattern with Integrated Bullet Drop Compensator (BDC)
- Reticle Illumination Color: High-Contrast Vivid Tactical Red LED
- Ammunition Ballistic Calibration: .223 Remington / 5.56x45mm NATO (55gr / 62gr standard loads)
- Power Supply Requirements: 1x Alkaline or Lithium AA Battery (Lithium highly recommended)
- Illumination Control Interface: 6 Position Rotary Dial with Intermediate "Off" Detents
- Chassis Armor Material: Forged 7075-T6 Aircraft-Grade Structural Aluminum Alloy
- Exterior Finish Dressing: Mil-Spec Type III Hardcoat Anodized Matte Black Shield
- Mount Attachment Profile: TA51 Dual-Thumbscrew Colt Style Knob Picatinny Rail Mount
- Turret Tuning Increments: 0.5 MOA Per Click (2 Clicks Per Inch at 100 Yards)
- Field of View Dimensions: 7.0° Linear Angular Arc (36.8 Feet Content Profile at 100 Yards)
- Eye Relief Parameters: 1.50 Inches (~38.1 mm Fixed Close-Proximity Staging Plane)
- Exit Pupil Aperture Dimensions: 8.0 mm (~0.31 Inches Large Bright Exit Eyepiece)
- Waterproof Submersion Rating: Pressure Sealed to 100 Feet (~30 Meters Depth Rating)
- Packaging Format Class: Trijicon Factory Heavy-Duty Padded Polymer Vault Box
- Product Type Category: Premium Battle Riflescopes / Fixed Power Weapon Optics
- Overall Structural Unit Length: 6.00 Inches (~152.4 mm Compact Optic Core Footprint)
- Net Component Operating Mass: ~18.10 Ounces (~513.1 Grams with Battery and Mount Assembly)
- Country of Manufacture: Proudly Made in the United States of America
- Warranty Tracking Protection: Fully Backed by Trijicon Limited Lifetime Factory Warranty
