Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your UUQ 2.5-10x40 Combo Rifle Scope. This versatile optical device features a 2.5-10X magnification rifle scope, a detachable mini reflex 3 MOA red dot sight, and an integrated green laser sight, designed for various shooting conditions.

Figure 1: UUQ 2.5-10x40 Combo Rifle Scope with Green Laser Dot Sight.
Product Overview
The UUQ 2.5-10x40 Combo Rifle Scope is constructed from durable all-metal aluminum with a high-grade optical lens system. It is fog-proof with shock-resistant housing and nitrogen purged with O-ring seals for reliability in various environments. The lenses are green, multi-coated, and scratch-resistant, ensuring high-quality light transfer and clarity.
Key Components:
- Rifle Scope: 2.5-10X magnification with a 40mm objective diameter. Features a dual-illuminated Mil-dot reticle (red or green) with multiple brightness intensities.
- Mini Reflex Red Dot Sight: Detachable 3 MOA red dot sight for quick acquisition of close-quarter and fast-moving targets.
- Green Laser Sight: Integrated green laser with an on/off push button for enhanced targeting.

Figure 2: Detailed view of the scope's adjustment features.

Figure 3: Product dimensions for the combo rifle scope.
Setup
The scope system comes securely packaged in a heavy cardboard box with thick foam inserts, ensuring components are protected during transit. All necessary Allen wrenches for adjustment and mounting are included.
Mounting:
- Attach the integrated mount to any Picatinny or Weaver rails. Ensure all screws are tightened securely using the provided tools.
Battery Installation:
The system uses three batteries, easily accessible for replacement:
- Red Dot Sight: The battery for the holographic sight is located under the top cover. Remove the two Allen head screws to access and change the battery.
- Green Laser Sight: The laser battery is located at the rear of the laser module. Unscrew the cap to replace the battery.
- Rifle Scope Reticle: The battery for the illuminated reticle is under the dial used to turn the reticles on and off. Unscrew the cap to replace.
Operating
Rifle Scope Operation:
- Magnification Adjustment: Rotate the 2.5-10x magnification ring to adjust the zoom level.
- Reticle Illumination: Use the dial on the scope to select between red or green illumination and adjust the brightness intensity (5 levels for each color).
- Windage and Elevation: The scope features fully adjustable windage and elevation turrets. Remove the protective caps to make adjustments.
- Adjustable Eyepiece: The eyepiece is adjustable to achieve a clear focus on your target.

Figure 4: Reticle view at 2.5x and 10x magnification.
Red Dot Sight Operation:
- The detachable micro reflex dot sight allows for quick target acquisition at close ranges. It features a 3 MOA red dot.
- Adjustments for windage and elevation are available on the red dot sight.
Green Laser Sight Operation:
- Activate the green laser using the on/off push button or the included pressure switch.
- The laser is powerful and visible in various lighting conditions, including nighttime.
Maintenance
- Lens Cleaning: Use the provided lens cloth to gently clean the optical surfaces. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the scope in a dry, cool place, away from direct sunlight and extreme temperatures. Use the lens caps to protect the lenses.
- Battery Replacement: Replace batteries as needed for the illuminated reticle, red dot sight, and laser sight to ensure optimal performance.
Troubleshooting
- No Reticle Illumination/Red Dot/Laser: Check if the batteries are correctly installed and have sufficient charge. Replace if necessary.
- Difficulty Zeroing: Ensure all mounting screws are tight. Verify that the windage and elevation adjustments are functioning correctly.
- Fogging: The scope is fog-proof. If internal fogging occurs, contact customer support.
Specifications
| Feature | Specification |
|---|---|
| Brand | UUQ |
| Model Name | 2.5-10X40E/G |
| Magnification (Main Scope) | 2.5x - 10x |
| Objective Lens Diameter | 40 Millimeters |
| Reticle Type | Mil-dot (Dual Illuminated Red/Green) |
| Red Dot Sight | Mini Reflex 3 MOA |
| Laser Sight | Green Laser, Class 3R (IIIa), Max Output ≤ 5 mw |
| Material | Metal (Aluminum Construction) |
| Mounting Type | Weaver Mount |
| Fog Proof | Yes (Nitrogen Purged, O-ring Sealed) |
| Shock Resistant | Yes |
Warranty and Support
The UUQ 2.5-10x40 Combo Rifle Scope comes with a 12-month warranty. For any issues or support, please contact the seller directly. The seller, LED Sniper, is known for responsive customer service.