Description
Trijicon ACOG Riflescope 4x32 Red Chevron FDE TA31-D-100310 is a high-performance optical sight designed for precision shooting and tactical applications. This advanced combat optical gunsight (ACOG) combines rugged durability with superior optical clarity, making it an essential tool for both military personnel and civilian marksmen. The 4x magnification and 32mm objective lens provide an optimal balance between field of view and target acquisition capabilities.
The riflescope features a unique dual-illuminated red chevron reticle, which is powered by both fiber optics and tritium. This innovative design ensures clear visibility in various lighting conditions, from bright daylight to low-light environments. The chevron reticle is specifically designed for quick and accurate target engagement, with the tip zeroed at 100 meters.
Constructed with a durable aluminum housing finished in Flat Dark Earth (FDE), the Trijicon ACOG Riflescope offers excellent camouflage capabilities and corrosion resistance. Its compact size and lightweight design contribute to improved maneuverability and reduced fatigue during extended use. The fixed parallax setting and generous eye relief further enhance the user's shooting experience and accuracy.
Ideal For: Military personnel, law enforcement officers, competitive shooters, and civilian enthusiasts seeking a reliable and high-performance optic for their rifle.
Features:
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DUAL ILLUMINATION SYSTEM: Utilizes both fiber optics and tritium for a clear, bright reticle in any lighting condition, ensuring optimal target acquisition[1][2].
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RUGGED CONSTRUCTION: Built with a durable aluminum housing and finished in Flat Dark Earth (FDE) for enhanced durability and camouflage capabilities.
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PRECISION OPTICS: 4x magnification and 32mm objective lens provide an ideal balance between field of view and target acquisition, with a 7° field of view (36.8 ft @ 100 yards).
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CHEVRON RETICLE: Specially designed red chevron reticle for quick and accurate target engagement, with the tip zeroed at 100 meters[1].
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COMPACT AND LIGHTWEIGHT: Weighing only 9.9 oz and measuring 5.8" in length, this scope minimizes added weight and bulk to your firearm.
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FIXED PARALLAX: Eliminates the need for adjustment and ensures consistent accuracy across various distances.
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GENEROUS EYE RELIEF: 1.5" eye relief provides comfort and safety during recoil, suitable for various shooting positions.
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EASY INSTALLATION: Includes a thumbscrew mount and flat top adapter for quick and secure attachment to your rifle[1].
Specifications:
| Specification | Detail |
|---|---|
| SKU | TA31-D-100310 |
| Item Condition | New |
| Weight | 9.9 oz |
| Length | 5.8" |
| Magnification | 4x |
| Objective Diameter | 32mm |
| Turret Adjustment | 2 clicks/inch @ 100 yards |
| Parallax Adjustment | Fixed |
| Reticle | Red Chevron |
| Field of View | 7° (36.8 ft @ 100 yards) |
| Exit Pupil | 8.1 mm |
| Eye Relief | 1.5" |
| Illuminated Reticle | Yes |
| Finish | Flat Dark Earth (FDE) |
| Turret Rotation | Counter Clockwise (CCW) |
| UPC | 719307307247 |
| MPN | 100310 |
What's Included:
- Trijicon ACOG Riflescope 4x32 Red Chevron FDE TA31-D-100310
- Thumbscrew Mount
- Flat Top Adapter
- User Manual
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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)