March 19, 2026

Published on March 21, 2026
Duration: 6:18

This guide details the installation and testing of the Olight PLX weapon light, demonstrated by an experienced instructor from Guns of the West. It covers mounting the light on a Glock 19, operating its various modes (bright, dim, strobe, flood, spotlight), and assessing its performance in darkness. The instructor highlights practical considerations for carry and rifle use.

Quick Summary

The Olight PLX weapon light offers versatile illumination with spotlight and floodlight modes, rechargeable via USB-C. It features multiple brightness levels and a strobe function, controllable via ambidextrous tail switches. While effective, the instructor notes potential muzzle discipline concerns for concealed carry use.

Chapters

  1. 00:00Introduction to Olight PLX
  2. 00:39Olight PLX Features & Fitment
  3. 01:14Olight PLX Controls
  4. 02:06Flood & Spotlight Modes
  5. 02:46Mounted on Glock 19
  6. 03:07Holster & Carry Considerations
  7. 03:59Darkness Performance Test
  8. 04:53Final Thoughts & Recommendation

Frequently Asked Questions

How do you mount the Olight PLX weapon light?

The Olight PLX comes with interchangeable rail adapters. You select the correct adapter for your firearm's accessory rail, attach it to the light, and then slide the light onto the rail until it locks securely in place, adjusting position for optimal control access.

What are the different modes of the Olight PLX weapon light?

The Olight PLX features multiple modes: constant on/off via a short tail switch click, momentary illumination with a long press, bright and dim settings toggled by a double click, and a strobe function activated by a triple click. A side switch controls flood and spotlight beams.

Is the Olight PLX suitable for concealed carry?

The instructor advises caution regarding concealed carry with weapon lights due to muzzle discipline concerns. Illuminating a target with the light also means the firearm's muzzle is pointed at that target, which may be undesirable in certain situations.

What is the effective range of the Olight PLX spotlight mode?

The Olight PLX spotlight mode is advertised to have an effective range of approximately 300 yards, providing a focused beam for identifying targets at significant distances.

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