How to Mod Blackhawk Omnivore to Fit Surefire X300U-B?

Published on June 28, 2025
Duration: 4:54

This guide details how to modify a Blackhawk Omnivore holster to accommodate a Surefire X300UB weapon light. The process involves identifying and removing an internal obstruction using tools like a file and a wood chisel, with a strong emphasis on safety and avoiding over-modification. The presenter shares a cautionary tale about accidentally creating a hole in the holster.

Quick Summary

To modify a Blackhawk Omnivore holster for a Surefire X300UB, carefully shave down the internal guide rail on the right side using a 1/4 inch wood chisel. This process removes the obstruction that interferes with the X300UB's tensioning wheel, allowing for a secure fit. Always use a vise for safety and be mindful not to over-shave.

Chapters

  1. 00:00Introduction: Holster Modification Goal
  2. 00:13Why Modify: X300UB vs. Omnivore Fit Issue
  3. 01:04Disclaimer: Warranty Void
  4. 01:09Identifying the Obstruction
  5. 01:35Initial Attempt: Filing the Holster
  6. 02:09File Ineffectiveness & Need for More Removal
  7. 02:30The Home Run Solution: Wood Chisel
  8. 02:39Safety First: Using a Vise
  9. 02:49Shaving Kydex Technique
  10. 03:04Testing Fit: When You're Almost There
  11. 03:24Final Passes and Successful Fit
  12. 03:48Cautionary Tale: Digging Too Deep
  13. 04:14Aesthetic Fixes (Hockey Tape)
  14. 04:23Conclusion & Call to Action

Frequently Asked Questions

How do I make my Blackhawk Omnivore holster fit a Surefire X300UB light?

To fit a Surefire X300UB into a Blackhawk Omnivore holster, you need to remove an internal guide rail on the right side. This is typically done by carefully shaving down the Kydex material with a 1/4 inch wood chisel, ensuring the chisel is held parallel to the holster surface.

What tools are needed to modify a Blackhawk Omnivore holster for a Surefire X300UB?

Essential tools for this modification include a 1/4 inch wood chisel, a file for initial shaping, a vise for safety and stability, and a headlamp for better visibility. Hockey tape can be used for aesthetic fixes if a hole is accidentally created.

Will modifying my Blackhawk Omnivore holster void its warranty?

Yes, any modification performed on the Blackhawk Omnivore holster, such as shaving down the Kydex to fit a different weapon light like the Surefire X300UB, will absolutely destroy and void the original warranty.

What is the main obstruction preventing a Surefire X300UB from fitting in a Blackhawk Omnivore holster?

The primary obstruction is a channel and guide rail located on the right side of the Blackhawk Omnivore holster. This feature is designed for lights like the X300UA but interferes with the tensioning wheel of the Surefire X300UB, preventing it from seating properly.

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