Description
Trijicon 4x32 ACOG Dual Illuminated Riflescope and 3.25 MOA Red Dot Type 2 RMR Sight Kit (DI .223 Red Crosshair Reticle, Matte Black) is a versatile and robust optical system designed for both close-quarter engagements and long-range precision. This combo features a 4x magnification ACOG scope with a 32mm objective lens, providing a clear and wide field of view of 36.8 ft at 100 yards.
The main ACOG scope utilizes a dual-illuminated reticle system, combining fiber optics and tritium to ensure a bright aiming point in any lighting condition[1][2]. The .223 BDC (Bullet Drop Compensator) reticle allows for accurate bullet drop compensation up to 800 meters without manual adjustments.
Mounted atop the ACOG is a Trijicon RMR Type 2 red dot sight with a 3.25 MOA dot, offering rapid target acquisition for close-range encounters[3][5]. The entire system is housed in a durable, matte black finish, designed to withstand harsh conditions and heavy recoil[7].
Ideal For: Military personnel, law enforcement officers, competitive shooters, and hunting enthusiasts seeking a versatile and reliable aiming solution for both CQB and long-range shooting scenarios.
Features:
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DUAL ILLUMINATION SYSTEM: Combines fiber optics and tritium for a bright reticle in any lighting condition, eliminating the need for batteries in the main scope.
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BULLET DROP COMPENSATION: .223 BDC reticle allows for accurate shooting up to 800 meters without manual adjustments, enhancing long-range precision.
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VERSATILE COMBO: 4x32 ACOG for magnified precision shooting and 3.25 MOA RMR Type 2 for rapid target acquisition in close-quarter situations.
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RUGGED CONSTRUCTION: Forged 7075-T6 aircraft-aluminum alloy housing ensures durability in extreme conditions, withstanding recoil from various calibers.
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WATERPROOF PERFORMANCE: Nitrogen-filled to prevent internal fogging, with waterproof capabilities exceeding military standards.
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BOTH EYES OPEN DESIGN: Utilizes the Bindon Aiming Concept (BAC) for improved situational awareness and faster target acquisition.
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ADJUSTABLE RMR: The RMR Type 2 features adjustable LED brightness settings for optimal visibility in varying light conditions.
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MULTI-COATED LENSES: High-quality glass with multi-coated lenses maximizes light transmission for exceptional clarity and zero distortion.
Specifications:
| Specification | Detail |
|---|---|
| Model | TA31-C-100550 |
| Magnification | 4x |
| Objective Lens Diameter | 32 mm |
| Reticle | Red Crosshair .223 / RMR 3.25 MOA Red Dot |
| Illumination | Dual (Fiber Optics & Tritium) |
| Field of View | 36.8 ft @ 100 yards |
| Eye Relief | 1.5 inches |
| Length | 5.8 inches |
| Weight | 15.1 oz (without RMR) |
| Adjustment Click Value | 1/2 MOA |
| Exit Pupil | 8.1 mm |
| Housing Material | 7075-T6 Aircraft Aluminum |
| Finish | Matte Black |
| Waterproof | Yes |
| Fogproof | Yes (Nitrogen Filled) |
| Battery | Not required for ACOG, CR2032 for RMR |
| Warranty | Limited Lifetime |
| SKU/UPC | 719307311787 |
What's Included:
- Trijicon 4x32 ACOG Riflescope
- Trijicon RMR Type 2 Red Dot Sight
- Mounting Hardware
- Lens Pen
- 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)