1. Introduction
This manual provides instructions for the proper installation, operation, and maintenance of your Ade Advanced Optics Delta RD3-012 Red Dot Reflex Sight. Please read this manual thoroughly before attempting to install or use the product.
Important Safety Information
Professional installation by a qualified gunsmith is highly recommended. Improper installation, including incorrect torque application, can lead to loose screws, failure to hold zero, damage to the firearm or optic, and potential personal injury. Always ensure your firearm is unloaded and safe before beginning any installation or maintenance procedures.
2. Package Contents
Verify that all the following items are included in your package:
- Ade Advanced Optics Delta RD3-012 Red Dot Reflex Sight
- Protective Cover
- Picatinny Mounting Plate (may be pre-assembled or packaged separately)
- Adapter Plate for Sig Sauer P365 Handgun (replaces rear sight)
- Adjustment Wrench
- Adjustment Dialing Plate
- Installation Screws
- User Manual
3. Specifications
| Model Name | RD3-012 |
| Reticle Type | 6 MOA Red Dot |
| Dimensions (L x W x H) | 1.75" x 1.25" x 1.15" |
| Material | Aluminum |
| Magnification | 1x |
| Mounting Type | Picatinny Mount, Sig Sauer P365 Adapter Plate |
| Environmental Resistance | Shockproof, Fogproof, Waterproof (30 minutes under 4ft water) |
| Adjustments | 1 M.O.A Windage and Elevation |
| Battery System | Top Load (no need to remove sight for battery change) |
| Compatible Devices | Handgun (specifically Sig Sauer P365 base model) |
4. Setup and Installation
The Delta RD3-012 Red Dot Reflex Sight comes with both a Picatinny mounting plate and a dedicated adapter plate for the Sig Sauer P365 handgun (base model only, not P365XL).
4.1. Detaching the Picatinny Mounting Plate (if pre-assembled)
- Locate the two hex screws (M3x6mm) on the top of the red dot sight, behind the glass frame.
- Use the provided Allen wrench to carefully remove these two screws.
- Gently separate the red dot sight from the Picatinny mounting plate.
4.2. Installing on Sig Sauer P365 Handgun
This adapter plate is designed to replace the rear sight of your Sig Sauer P365 base model handgun. It is not compatible with the P365XL model.
- Ensure your firearm is unloaded and safe.
- Carefully remove the existing rear sight from your Sig Sauer P365 handgun. Consult your firearm's manual for specific instructions on rear sight removal.
- Position the Ade Advanced Optics P365 adapter plate into the rear sight dovetail.
- Secure the adapter plate according to the instructions provided with the plate or by a qualified gunsmith. Proper fit and torque are critical for maintaining zero.
- Align the Delta RD3-012 red dot sight onto the installed P365 adapter plate.
- Use the provided installation screws to secure the red dot sight to the adapter plate. Apply appropriate torque to prevent loosening or damage.
4.3. Installing on Picatinny Rail
If you are using the Picatinny mounting plate, attach it to any standard Picatinny rail system using the appropriate hardware and torque specifications.
5. Operation
5.1. Power On/Off and Brightness Adjustment
The Delta RD3-012 features two button adjustments: an 'UP ARROW' and a 'DOWN ARROW'.
- Power On: Press and hold the 'UP ARROW' button for 3 seconds.
- Power Off: Press and hold the 'DOWN ARROW' button for 3 seconds.
- Increase Brightness: Press the 'UP ARROW' button briefly.
- Decrease Brightness: Press the 'DOWN ARROW' button briefly.
5.2. Windage and Elevation Adjustments
The sight features 1 M.O.A. adjustments for both windage and elevation. Use the provided adjustment wrench and dialing plate to make precise adjustments to the red dot's position. Refer to the markings on the sight for direction of adjustment.
5.3. Battery Replacement
The Delta RD3-012 utilizes a top-load battery system, which means you do not need to remove the sight from your firearm to change the battery. Locate the battery compartment cover on the top of the sight, unscrew it, replace the battery, and securely fasten the cover.
6. Maintenance
6.1. Cleaning
To clean the lenses, use a soft, lint-free cloth and a lens cleaning solution specifically designed for optics. Avoid using abrasive materials or harsh chemicals that could damage the lens coatings. For the housing, wipe with a damp cloth as needed.
6.2. Storage
When not in use, install the protective cover over the sight to prevent dust and scratches. Store the sight in a cool, dry place away from direct sunlight and extreme temperatures.
7. Troubleshooting
- Red Dot Not Appearing: Ensure the sight is powered on by holding the 'UP ARROW' button for 3 seconds. Check the battery and replace if necessary.
- Red Dot Appears Dim or Flickers: Replace the battery. Ensure battery contacts are clean.
- Sight Not Holding Zero: This is often caused by improper installation. Re-check all mounting screws for correct torque. Ensure the mounting plate is securely attached to the firearm. Professional installation is recommended to prevent this issue.
- Dot Appears Distorted or Blurry: Ensure the lens is clean. If the issue persists, contact customer support.
8. Warranty
The Ade Advanced Optics Delta RD3-012 Red Dot Reflex Sight is covered by a 1-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. For warranty claims or further details, please contact Ade Advanced Optics customer support.
9. Support
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact Ade Advanced Optics directly. Refer to the product packaging or the official Ade Advanced Optics website for current contact information.
