how to attach tape switch to mlok rail

Daniel Parker

3 min read

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11-01-2025

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Attaching a tape switch to an M-LOK rail on your firearm is a straightforward process, but doing it correctly ensures reliable operation and a secure fit. This guide will walk you through the steps, offering tips for a clean and professional installation.

Understanding M-LOK and Tape Switches

Before we begin, let's clarify a few key things. M-LOK is a modular attachment system used on many modern firearms. It features slots that allow accessories to be attached using M-LOK compatible nuts and screws. A tape switch, on the other hand, is a pressure-activated switch commonly used to activate weapon-mounted lights or lasers.

Tools and Materials You'll Need

• Tape Switch: The specific tape switch you're installing (e.g., SureFire, Modlite).
• M-LOK Rail: Ensure your rail is compatible with M-LOK accessories.
• M-LOK Nut: This is crucial for securing the tape switch mount. Make sure it's the correct size and type for your rail and mounting system.
• Allen Wrench (Hex Key): The size will depend on the screws used with your M-LOK nut and your tape switch mount.
• Optional: Mounting Plate/Adapter: Some tape switches might require an adapter plate for M-LOK rails. Check your switch's instructions.
• Optional: Loctite (Blue): This helps prevent screws from loosening over time due to recoil.

Step-by-Step Guide to Attaching Your Tape Switch

1. Choose Your Mounting Position: Carefully select a location on your M-LOK rail. Consider ergonomics, accessibility, and avoiding interference with other accessories. A position that allows comfortable and easy access to the switch is paramount.

2. Attach the M-LOK Nut (If Necessary): If your tape switch's mounting system doesn't already include one, you’ll need to attach an M-LOK nut to your rail at the chosen position. This usually involves inserting the nut into the M-LOK slot and tightening it until it’s securely in place.

3. Attach the Mount: If your tape switch came with a dedicated M-LOK mount, align it with the M-LOK nut and attach it securely. Most mounts will have screws to secure them to the nut.

4. Secure the Tape Switch: Once the mount is attached, carefully place the tape switch onto the mount. Ensure it is correctly aligned and firmly attached. Refer to the manufacturer's instructions for the exact process.

5. Tighten Screws: Use your Allen wrench to firmly tighten all screws. Remember to use even pressure to avoid damaging the screws or your rail. Using blue Loctite can add extra security.

6. Test Functionality: Once everything is secure, test the tape switch to ensure proper functionality. Press the switch to activate your light or laser and verify it operates as expected.

Tips for a Clean Installation

• Start with a clean rail: Ensure your M-LOK rail is free of dirt and debris before beginning installation to prevent potential issues.

• Use proper torque: Over-tightening screws can strip threads or damage your rail, while under-tightening can lead to a loose fit.

• Consider cable management: If your tape switch has a cable, consider how you'll route it to prevent snags or interference. Some users employ Velcro straps or other methods.

• Review manufacturer instructions: Always refer to the instructions provided by the manufacturer of your tape switch and M-LOK accessories. They will provide the most accurate and detailed guidance.

Troubleshooting

• Switch Doesn't Work: Recheck connections, ensure the switch is correctly installed on the mount, and verify that the power source to the light or laser is working correctly.

• Switch is Loose: Re-tighten the screws. If the problem persists, you might need a new M-LOK nut or mounting system.

By following these steps and taking heed of the tips, you'll be able to successfully attach your tape switch to your M-LOK rail. Remember, safety and proper functionality are paramount. If you're unsure about any step, consult a qualified firearms professional.