Kasey’s Streamlight mod for his Tyrant CNC T.W.S. 365 part 2

Published on May 27, 2026
Duration: 2:40

This guide details a DIY modification to a Streamlight for a Tyrant CNC T.W.S. 365 chassis, focusing on replacing factory paddles with a custom-made, larger paddle. The process involves fabricating a pin from a drill bit, drilling the chassis, angling the chassis for switch clearance, and refining the exterior shape. This modification aims to improve the intuitiveness and ease of hitting the light switch, especially when the light is mounted around a pistol's trigger guard.

Quick Summary

Modifying a Streamlight for a Tyrant CNC T.W.S. 365 chassis involves creating a custom paddle for improved ergonomics. This DIY process includes fabricating a pin from a drill bit, drilling the chassis, and carefully shaping the component with a file and cut-off wheel, ensuring a proper chamfer for switch functionality.

Chapters

  1. 00:00Introduction to Casey's Tyrant CNC 365 Chassis
  2. 00:06Fitting the Chassis and Ear Accommodation
  3. 00:12Fabricating and Installing the Custom Pin
  4. 00:30Addressing Chassis Angle for Switch Movement
  5. 00:51Chamfering for Switch Functionality
  6. 00:57Adjusting Pin Length and Exterior Shaping
  7. 01:12Testing Fit on the Streamlight and Edge Refinement
  8. 01:34Future Plans: Custom Paint Job

Frequently Asked Questions

How can I improve the ergonomics of my Streamlight switch when using a Tyrant CNC T.W.S. 365 chassis?

You can improve Streamlight switch ergonomics by modifying the chassis to create a larger, custom paddle. This often involves fabricating a new pin from a drill bit and carefully shaping the chassis to ensure easy access and engagement of the light's switch.

What tools are needed for a DIY Streamlight paddle modification on a Tyrant CNC chassis?

Essential tools for this DIY modification include a file for shaping and adjusting, a drill bit to create the pin hole, and a cut-off wheel to fabricate the custom pin from a drill bit. Safety glasses are also crucial.

Why is it important to chamfer the chassis when modifying a Streamlight for a Tyrant CNC T.W.S. 365?

Chamfering the chassis creates an angle that allows the light's switch to move freely. A 90-degree angle can restrict movement, so adding a chamfer ensures proper functionality and usability of the light.

Can I use a factory pin for this Streamlight modification?

No, this modification typically involves replacing the factory paddles with a custom-made, integrated paddle. This often requires fabricating a new pin, usually from a drill bit, to secure the custom component.

More Gunsmithing & DIY Videos You Might Like

More from Brownells, Inc.

View all →