1. Introduction and Overview
The Sig Sauer BUCKMASTERS 1500 Laser Rangefinder is a high-performance monocular designed for precision ranging in hunting and outdoor activities. It features a 6x magnification and a 22mm objective lens, providing clear optics. The device offers fast ranging capabilities with a vivid red illuminated display, optimized for low-light conditions. Built for durability, it is IPX-4 water-resistant, making it suitable for various environmental challenges.
A key feature is the "Buckmasters Mode," which includes 8 integrated ballistic groups. This allows the rangefinder to suggest the appropriate Buckmasters BDC (Bullet Drop Compensator) holdover point when used with a compatible riflescope, enhancing accuracy for hunters.

2. Setup
2.1 Battery Installation
The BUCKMASTERS 1500 Laser Rangefinder requires one CR2 battery for operation. Please note that the battery is not included with the device.
- Locate the battery compartment on the device. This is typically found on the side or bottom.
- Open the battery compartment cover.
- Insert one CR2 battery, ensuring the correct polarity (+/-) as indicated inside the compartment.
- Securely close the battery compartment cover.
Important: Always use a fresh CR2 alkaline battery for optimal performance. Remove the battery if the device will not be used for an extended period to prevent potential leakage.
3. Operating Instructions
3.1 Powering On and Off
- To power on the device, press the power/range button, usually located on the top of the unit. The red illuminated display will activate.
- The rangefinder is designed to automatically power off after a period of inactivity to conserve battery life.
3.2 Ranging
- With the device powered on, aim the rangefinder at your desired target.
- Press and release the power/range button. The distance to the target will be displayed on the screen.
- For continuous scanning, press and hold the power/range button while sweeping across multiple targets. The display will update with new distances.
3.3 Buckmasters Mode
The BUCKMASTERS 1500 features a specialized "Buckmasters Mode" equipped with 8 integrated ballistic groups. This mode is particularly useful when paired with a Sig Sauer Buckmasters riflescope.
- When Buckmasters Mode is active, the rangefinder can provide an indication of which Buckmasters BDC (Bullet Drop Compensator) holdover point to use on your compatible riflescope.
- Consult your Buckmasters riflescope manual for detailed instructions on how to utilize the BDC feature in conjunction with the rangefinder's output.
3.4 Display Information
The red illuminated display provides clear and concise information, including:
- Measured distance to target.
- Battery status indicator.
- Active ranging mode (e.g., Buckmasters Mode).

4. Maintenance
4.1 Cleaning
- Lenses: Use a soft, lint-free cloth (such as a microfiber lens cloth) to gently wipe the lenses. For stubborn dirt or smudges, apply a small amount of lens cleaning solution specifically designed for optics to the cloth, then wipe the lenses. Avoid using abrasive materials or harsh chemicals.
- Body: Wipe the body of the rangefinder with a soft, damp cloth. Do not submerge the device in water.
4.2 Storage
- Store the rangefinder in a dry, cool place, away from direct sunlight and extreme temperatures.
- If the device will not be used for an extended period, remove the CR2 battery to prevent potential battery leakage and damage to the electronics.
- Keep the lens caps on when not in use to protect the lenses from dust and scratches.
5. Troubleshooting
If you encounter issues with your Sig Sauer BUCKMASTERS 1500 Laser Rangefinder, please refer to the following common troubleshooting steps:
- No Display or Dim Display:
• Check the battery. Ensure it is correctly installed with the proper polarity.
• Replace the battery with a fresh CR2 battery. Low battery power can cause a dim or non-responsive display. - Inaccurate Readings:
• Ensure the target is within the specified ranging capabilities of the device (e.g., 600 yards for deer, 1500 yards for reflective targets).
• Verify that there are no obstructions (e.g., branches, tall grass) between the rangefinder and your target.
• Environmental conditions such as heavy fog, rain, or snow can significantly affect ranging accuracy and maximum range. - Buttons Unresponsive:
• Confirm that the battery is properly installed and has sufficient charge.
• If the device has been exposed to extreme cold, allow it to warm up slightly before use. - Laser Aperture Blocked:
• Ensure the laser aperture (front lens) is clean and free from dirt, dust, or smudges. Refer to the cleaning instructions in Section 4.1.
If these steps do not resolve the issue, please contact Sig Sauer customer support for further assistance.
6. Specifications
| Feature | Specification |
|---|---|
| Model Number | SOK15601 |
| Magnification | 6x |
| Objective Lens Diameter | 22 mm |
| Exit Pupil | 3.67 mm |
| Eye Relief | 18 mm |
| Weight | 5.7 oz (approx. 161.6 g) |
| Laser Divergence | 1.50 x 0.2 mrad |
| Range (Deer) | 600 yards |
| Range (Trees) | 800 yards |
| Range (Reflective Targets) | 1500 yards |
| Water Resistance | IPX-4 |
| Material | Aluminum |
| Color | Black |
| Dimensions (L x W x H) | 15.24 x 15.24 x 5.08 cm |
| Battery Type | 1 CR2 (Alkaline) |

7. Warranty and Support
For detailed warranty information, product registration, and technical support, please visit the official Sig Sauer website or contact their customer service department directly. It is recommended to retain your purchase receipt as proof of purchase for any warranty claims.
Online Resources: For the most up-to-date information, FAQs, and additional support, please refer to the official Sig Sauer support pages.