Description
The Trijicon ACOG 4x32 RCO Riflescope Combat Optic TA150RCO-M4CP-G is a high-performance optical sight designed for military and tactical applications. This rugged and reliable scope features a fixed 4x magnification and a 32mm objective lens, providing excellent clarity and a wide field of view.
The TA150RCO-M4CP-G incorporates Trijicon's dual-illumination technology, combining fiber optics and tritium to ensure the reticle is always visible in any lighting condition. The green chevron reticle is designed for quick target acquisition and precise aiming at various distances.
Built to withstand harsh environments, this ACOG (Advanced Combat Optical Gunsight) features a forged aluminum housing and is waterproof up to 11 meters. Its compact design and lightweight construction make it ideal for use on M4 carbines and other similar platforms.
Ideal For:
- Military and law enforcement personnel
- Tactical shooters
- Competitive shooters
- Home defense applications
Features:
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DUAL ILLUMINATION TECHNOLOGY: Combines fiber optics and tritium for a constantly illuminated reticle without batteries, adjusting brightness automatically based on ambient light conditions.
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RUGGED CONSTRUCTION: Forged aluminum housing provides exceptional durability, withstanding extreme conditions and recoil from various calibers.
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FIXED MAGNIFICATION: 4x magnification offers an ideal balance between close-quarters engagement and medium-range precision.
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WIDE FIELD OF VIEW: 7° angular field of view (36.8 ft at 100 yards) allows for improved situational awareness and target acquisition.
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COMPACT AND LIGHTWEIGHT: Weighing only 16.2 oz and measuring 7.3" in length, this scope minimizes added bulk to your firearm.
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WATERPROOF PERFORMANCE: Nitrogen-filled housing ensures fog-free performance and waterproof integrity up to 11 meters.
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EASY ADJUSTMENTS: External turrets provide 2 clicks per inch at 100 yards for quick and precise windage and elevation adjustments.
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VERSATILE MOUNTING: Includes a thumbscrew mount for easy installation on Picatinny rails, compatible with various firearm platforms.
Specifications:
| Specification | Detail |
|---|---|
| Model | TA150RCO-M4CP-G |
| Magnification | 4x |
| Objective Lens Diameter | 32mm |
| Reticle | Green Chevron |
| Illumination | Fiber Optics & Tritium |
| Weight | 16.2 oz |
| Length | 7.3" |
| Eye Relief | 1.5" |
| Exit Pupil | 8.1 mm |
| Field of View | 7° (36.8 ft @ 100 yards) |
| Adjustment Click Value | 2 clicks/inch @ 100 yards |
| Finish | Black |
| Housing Material | Forged Aluminum |
| Waterproof Depth | Up to 11 meters |
| Parallax Setting | Fixed |
| SKU/MPN | 100229 |
| UPC | 719307303423 |
What's Included:
- Trijicon ACOG 4x32 RCO Riflescope
- Thumbscrew Mount
- Lens Covers
- 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)