Description
The Trijicon ACOG 3.5x35 Riflescope Green LED Illuminated .308 Chevron Reticle, w/Thumbscrew Mount TA110-C-100498 is a high-performance optical sight designed for precision shooting and tactical applications. This rugged riflescope features a 3.5x magnification and a 35mm objective lens, providing an excellent balance between field of view and target acquisition capabilities.
Engineered with a forged 7075-T6 aircraft-grade aluminum alloy housing, this ACOG model offers exceptional durability and reliability in harsh conditions. The green LED illuminated .308 Chevron reticle provides clear aiming points and is adjustable with six brightness levels, allowing for optimal visibility in various lighting conditions.
The TA110-C-100498 comes equipped with a thumbscrew mount for easy installation and removal. With its fixed parallax design and bullet drop compensating (BDC) reticle, this scope is particularly well-suited for .308 Winchester / 7.62 NATO caliber rifles. The scope's 2.4-inch eye relief and 28.9-foot field of view at 100 yards ensure comfortable shooting and situational awareness.
Ideal For: Military and law enforcement personnel, competitive shooters, and hunting enthusiasts seeking a robust, reliable, and precise optical sight for medium-range engagements.
Features:
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RUGGED CONSTRUCTION: Forged 7075-T6 aircraft-grade aluminum alloy housing for exceptional durability and shock resistance, withstanding recoil from various calibers.
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LED ILLUMINATION: Green LED illuminated .308 Chevron reticle with six adjustable brightness levels and an "off" setting between each level for optimal visibility in all lighting conditions.
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LONG BATTERY LIFE: Powered by a single AA battery, providing over 12,000 continuous hours of operation on setting #4, ensuring reliability during extended use.
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OPTICAL CLARITY: High-quality glass and multi-coated lenses maximize light transmission and provide a clear, distortion-free field of view for precise target acquisition.
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VERSATILE MOUNTING: Includes a thumbscrew mount (TA51) for easy installation and removal on Picatinny rail systems, enhancing adaptability across different firearms.
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WATERPROOF PERFORMANCE: Exceeds military standards for waterproofing and is dry nitrogen filled to eliminate internal fogging, ensuring functionality in extreme environments.
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BOTH EYES OPEN DESIGN: Incorporates Trijicon's Bindon Aiming Concept (BAC) for improved situational awareness and faster target acquisition.
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PRECISE ADJUSTMENTS: Features .5 MOA click adjustments for windage and elevation, allowing for fine-tuning and accurate shot placement at various distances.
Specifications:
| Specification | Detail |
|---|---|
| SKU / MPN | 100498 |
| UPC | 719307321021 |
| Magnification | 3.5x |
| Objective Lens Diameter | 35mm |
| Reticle | Green .308 Chevron |
| Illumination | LED, 6 brightness levels |
| Eye Relief | 2.4" (60.96mm) |
| Field of View | 28.9' @ 100 yds (5.5°) |
| Length | 8" (203.2mm) |
| Weight | 16.8 oz (476.27g) |
| Housing Material | Forged 7075-T6 Aluminum |
| Finish | Matte Black |
| Adjustment Click Value | 0.5 MOA |
| Exit Pupil | 10.0 mm |
| Parallax Setting | Fixed |
| Battery Type | AA Lithium or Alkaline |
| Mount | Thumbscrew Mount (TA51) |
| Waterproof | Yes |
What's Included:
- Trijicon ACOG 3.5x35 Riflescope (TA110-C-100498)
- Thumbscrew Mount (TA51)
- Lens Pen
- Lens Cloth
- Owner's Manual
- Warranty Card
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Optics Knowledge Center
Understanding Rifle Scope Basics
Magnification
Magnification refers to how much larger an object appears through the scope compared to the naked eye. Fixed power scopes have one magnification setting, while variable power scopes offer a range (e.g., 3-9x).
Objective Lens
The objective lens is the front lens that gathers light. Larger objective lenses (measured in mm) gather more light, providing brighter images in low-light conditions but add weight and require higher mounting.
Reticle
The reticle (crosshair) is the aiming point inside the scope. Modern scopes offer various reticle designs, from simple duplex crosshairs to complex ballistic reticles with holdover points for different distances.
Adjustments
Rifle scopes have turrets for windage (horizontal) and elevation (vertical) adjustments. These are measured in MOA (minutes of angle) or MRAD (milliradians) and allow precise aiming adjustments.
Proper Scope Mounting Guide
Select the Right Rings & Base
Choose rings that match your scope's tube diameter (typically 1", 30mm, or 34mm). Select a base compatible with your rifle's receiver. For heavy-recoiling rifles, opt for stronger mounts.
Install the Base
Clean the receiver and base thoroughly. Apply a small amount of blue Loctite to the screws. Attach the base to the receiver and torque the screws to manufacturer specifications.
Attach the Rings
Attach the bottom halves of the rings to the base. Place the scope in the rings and loosely attach the top halves. Don't fully tighten yet.
Set Eye Relief & Level
Position the scope for proper eye relief (3-4 inches) in your normal shooting position. Ensure the reticle is level using a scope leveling tool. Once positioned correctly, tighten the rings evenly in a cross-pattern.
Scope Zeroing Tips
Start Close
Begin zeroing at a shorter distance (25-50 yards) to ensure you're on paper before moving to your desired zero distance (typically 100 yards).
Use a Stable Rest
Always zero your rifle from a stable shooting position using a bench rest, sandbags, or a shooting rest to eliminate as much human error as possible.
Fire Groups
Fire 3-shot groups before making adjustments. This provides a more accurate representation of where your rifle is shooting than single shots.
Make Deliberate Adjustments
Know your scope's adjustment values (typically 1/4 MOA per click). If your group is 2 inches low at 100 yards, you'll need to adjust up 8 clicks (for a 1/4 MOA scope).
Confirm Your Zero
After making adjustments, fire another group to confirm your zero. Repeat the process until your point of impact matches your point of aim.
Document Your Settings
Once zeroed, record your settings including distance, ammunition used, and environmental conditions for future reference.
Optics Maintenance & Care
Cleaning Lenses
- Start by blowing or brushing away loose particles
- Use a lens pen or microfiber cloth for fingerprints
- For stubborn dirt, use lens cleaning solution (never household cleaners)
- Clean with gentle circular motions from center outward
Protecting Your Optics
- Always use lens caps when not in use
- Store in a dry place with silica gel packets
- Avoid extreme temperature changes
- Use a quality scope cover in harsh conditions
Regular Maintenance
- Check and tighten mount screws periodically
- Inspect O-rings and seals for damage
- Verify zero after rough handling
- Clean the exterior with a damp cloth
What to Avoid
- Never use fingers to touch lenses
- Avoid paper products (tissues, paper towels) on lenses
- Don't use acetone, alcohol, or household cleaners
- Never disassemble your scope (voids warranty)