Description
The Trijicon ACOG 3.5x35 Riflescope Red LED Illum .223 Crosshair Reticle, w/Thumbscrew Mount TA110-D-100495 is a high-performance optical device designed for precision shooting and tactical applications. This advanced riflescope combines Trijicon's renowned durability with cutting-edge illumination technology, offering shooters a versatile and reliable sighting solution.
Featuring a 3.5x magnification and a 35mm objective lens, this ACOG (Advanced Combat Optical Gunsight) provides an excellent balance between field of view and target acquisition. The red LED illuminated .223 crosshair reticle ensures clear target visibility in various lighting conditions, while the fixed parallax adjustment at 100 yards minimizes aiming errors.
The Trijicon ACOG 3.5x35 Riflescope is built to withstand harsh environments and heavy recoil. Its compact 8-inch length and lightweight design (16.8 oz) make it ideal for use on a wide range of firearms. The thumbscrew mount allows for quick and secure attachment to Picatinny or Weaver-style rails, ensuring consistent zero retention.
Ideal For: Military and law enforcement personnel, competitive shooters, and hunting enthusiasts seeking a rugged, reliable, and precise optical sighting system for their .223 caliber rifles.
Features:
- ADVANCED OPTICS: 3.5x magnification with a 35mm objective lens for optimal balance between field of view and target acquisition
- ILLUMINATED RETICLE: Red LED illuminated .223 crosshair reticle for enhanced visibility in various lighting conditions
- DURABLE CONSTRUCTION: Rugged design built to withstand harsh environments and heavy recoil
- PRECISE ADJUSTMENTS: 0.5 MOA click value for accurate turret adjustments, allowing for fine-tuning of point of impact
- GENEROUS EYE RELIEF: 2.4-inch eye relief provides comfort and safety during extended use or in high-recoil situations
- WIDE FIELD OF VIEW: 28.9 feet at 100 yards for quick target acquisition and situational awareness
- COMPACT DESIGN: 8-inch length and 16.8 oz weight for improved maneuverability and reduced fatigue during extended use
- VERSATILE MOUNTING: Thumbscrew mount for quick and secure attachment to Picatinny or Weaver-style rails
Specifications:
| Specification | Detail |
|---|---|
| SKU/MPN | 100495 |
| UPC | 719307320994 |
| Magnification | 3.5x |
| Objective Lens Diameter | 35mm |
| Length | 8" |
| Weight | 16.8 oz |
| Eye Relief | 2.4" |
| Field of View | 28.9' at 100 yds |
| Exit Pupil | 10.0 mm |
| Reticle | Red .223 Crosshair |
| Illumination | LED |
| Parallax Adjustment | Fixed |
| Turret Adjustment | 0.5 MOA per click |
| Finish | Black |
| Mount | Thumbscrew |
| Condition | New |
What's Included:
- Trijicon ACOG 3.5x35 Riflescope
- Thumbscrew Mount
- User 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)