Description
The Trijicon ACOG 3x30 Riflescope, Dual Illum Amber Chevron 7.62x51mm 175 gr. Ballistic Reticle TA33-C-400364 is a compact and powerful optic designed for precision shooting. This rugged scope features a fixed 3x magnification and a 30mm objective lens, providing a clear and bright sight picture. The dual illumination system ensures optimal visibility in various lighting conditions, while the amber chevron reticle is specifically calibrated for 7.62x51mm 175 grain ammunition.
Engineered for durability and performance, this ACOG (Advanced Combat Optical Gunsight) model boasts a robust construction with a matte black finish. The scope's 6.1-inch length and lightweight design, weighing just 9.9 ounces, make it an ideal choice for tactical applications where every ounce counts. With a generous eye relief of 1.9 inches, it offers comfortable viewing and quick target acquisition.
The TA33-C-400364 features a second focal plane reticle and fixed parallax, simplifying operation in high-stress situations. Its .25 MOA click value allows for precise adjustments, while the 19.3-foot field of view at 100 yards provides excellent situational awareness. The scope's clockwise turret rotation and included flattop mount ensure easy installation and zeroing.
Ideal For: Military and law enforcement personnel, competitive shooters, and hunting enthusiasts seeking a reliable, compact, and high-performance optic for medium-range engagements with 7.62x51mm platforms.
Features:
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DUAL ILLUMINATION SYSTEM: Utilizes both fiber optics and tritium for automatic brightness adjustment, ensuring clear reticle visibility in any lighting condition without batteries.
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BALLISTIC RETICLE: Specially designed amber chevron reticle calibrated for 7.62x51mm 175 grain ammunition, providing accurate holdovers for extended range shooting.
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RUGGED CONSTRUCTION: Built to withstand harsh environments with a durable aluminum housing and waterproof, fogproof, and shockproof design.
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COMPACT AND LIGHTWEIGHT: Measuring just 6.1 inches in length and weighing 9.9 ounces, this scope minimizes bulk and weight on your firearm.
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FIXED MAGNIFICATION: 3x magnification offers a balance between target acquisition speed and precision, ideal for close to medium-range engagements.
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GENEROUS EYE RELIEF: 1.9-inch eye relief provides comfortable viewing and allows for quick target acquisition, even in dynamic shooting scenarios.
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EASY INSTALLATION: Includes a Flattop Mount (TA60) for hassle-free mounting on Picatinny rail systems, ensuring a secure and repeatable zero.
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COMPREHENSIVE PACKAGE: Comes with essential accessories including a Scopecoat, LENSPEN, manual, and warranty card for complete user support and protection.
Specifications:
| Specification | Detail |
|---|---|
| SKU / MPN | TA33-C-400364 / 400364 |
| UPC | 719307313705 |
| Magnification | 3x |
| Objective Lens Diameter | 30mm |
| Scope Length | 6.1 inches |
| Weight | 9.9 oz |
| Eye Relief | 1.9 inches |
| Field of View | 19.3 ft @ 100 yds |
| Reticle | Amber Chevron 7.62x51mm/175gr. Ballistic |
| Reticle Position | 2nd Focal Plane |
| Illumination | Dual (Fiber Optics & Tritium) |
| Turret Adjustment | 0.25 inch @ 100 yards |
| Parallax Setting | Fixed |
| Finish | Matte Black |
| Turret Rotation | Clockwise (CW) |
What's Included:
- ACOG 3x30 Riflescope
- Flattop Mount (TA60)
- ACOG Scopecoat (TA64)
- LENSPEN (TA56)
- Trijicon Logo Sticker (PR15)
- ACOG 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)