Description
The Trijicon ACOG 4x32 BAC Dual-Illum Rifle Combat Optic Red Horseshoe Dot Reticle for A4/M4 TA31-D-100582 is a high-performance riflescope designed for tactical and combat use. It features a 4x magnification and a 32mm objective lens, providing a clear and precise sight picture. The optic utilizes dual illumination technology, combining fiber optics and tritium to ensure the reticle is always visible, regardless of lighting conditions. This allows for quick target acquisition and enhanced situational awareness.
The optic's red horseshoe dot reticle is engineered for rapid target engagement at close ranges while maintaining accuracy at longer distances. The reticle includes a Bullet Drop Compensator (BDC) that is calibrated for 5.56/.223 ammunition, making it ideal for use with the A4 and M4 platforms. The rugged construction, featuring a forged aluminum housing, ensures durability and reliability in the most demanding environments.
With a fixed parallax adjustment and a field of view of 36.8 feet at 100 yards, the Trijicon ACOG 4x32 BAC is designed to provide a wide and clear field of vision. The optic is waterproof up to 11 meters and does not require batteries, making it a dependable choice for military, law enforcement, and serious shooters.
Ideal For:
- Military personnel
- Law enforcement officers
- Tactical shooters
- Competitive shooters
- Hunting enthusiasts
Features:
- DUAL ILLUMINATION: Utilizes fiber optics and tritium for a reticle that is always visible without the need for batteries.
- RED HORSESHOE DOT RETICLE: Designed for quick target acquisition and enhanced accuracy at various distances.
- BULLET DROP COMPENSATOR: Calibrated for 5.56/.223 ammunition, allowing for precise shooting out to 1,000 meters.
- RUGGED CONSTRUCTION: Forged aluminum housing ensures durability and reliability in harsh conditions.
- WIDE FIELD OF VIEW: 36.8 feet at 100 yards, providing a broad and clear sight picture.
- FIXED PARALLAX: Eliminates the need for parallax adjustments, simplifying the aiming process.
- WATERPROOF: Can be submerged up to 11 meters, ensuring functionality in wet conditions.
- NO BATTERIES REQUIRED: Dual illumination system eliminates the need for external power sources.
Specifications:
| Specification | Details |
|---|---|
| Item Condition | New |
| Scope Weight | 14.2 oz. |
| Scope Length | 6" |
| Magnification Range | 4x |
| Scope Objective Diameter | 32mm |
| Turret Adjustment (Click Value) | 2 clicks/inch @ 100 yards |
| Parallax Adjustment | Fixed |
| Reticle Details | Red Horseshoe Dot Reticle |
| Field of View | 7° / 36.8 ft @ 100 yards |
| Exit Pupil | 8.1 mm |
| Eye Relief | 1.5" |
| Illuminated Reticle | No |
| Scope Finish | Black |
| Product Type | Riflescopes |
| UPC | 719307312142 |
| MPN | 100582 |
What's Included:
- LaRue Tactical Mount
- Assemblies for 1/10 Miliradian External Adjusters
- External Adjuster Caps
- Lanyard Assembly for Adjuster Caps
- Scopecoat
- LensPen
- RCO Manual
- Warranty Card
The Trijicon ACOG 4x32 BAC Dual-Illum Rifle Combat Optic Red Horseshoe Dot Reticle for A4/M4 TA31-D-100582 is a robust and versatile optic, ideal for professionals who demand reliability and precision in their shooting equipment.
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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)