The Glock 19 Gen 3/4 Rebirth Build

Published on July 20, 2025
Duration: 8:05

This video details a custom Glock 19 Gen 4 build, featuring a Gen 3 slide on a Gen 4 frame. The presenter highlights the comfort of the Gen 4 frame's finger grooves and discusses various aftermarket components, including a SilencerCo slide, Holosun 509T optic, SureFire X300T Turbo light, and a Lone Wolf Arms guide rod. The build emphasizes reliability and aesthetic appeal for training purposes.

Quick Summary

This custom Glock 19 Gen 4 build combines a Gen 3 slide with a Gen 4 frame, featuring a SilencerCo slide, Holosun 509T optic, and SureFire X300T Turbo light. A Lone Wolf Arms guide rod ensures compatibility, while Goon Tape and Talon Grips enhance handling. The build prioritizes reliability and aesthetics for training.

Chapters

  1. 01:26Introduction & Build Overview
  2. 02:40Base Glock 19 Gen 4
  3. 03:13Slide Internals & Guide Rod
  4. 03:50SilencerCo Slide & Sights
  5. 04:31Holosun 509T Optic
  6. 05:13Glock Frame & Grip
  7. 05:43SureFire X300T Turbo Light
  8. 06:18Base Plates & Magwell (Planned)
  9. 06:33Final Build Impressions
  10. 07:07Training & Range Days

Frequently Asked Questions

What are the key components of this custom Glock 19 Gen 4 build?

This build features a Gen 3 slide on a Gen 4 frame, a SilencerCo slide, Holosun 509T optic, SureFire X300T Turbo light, and a Lone Wolf Arms guide rod assembly for compatibility. The frame includes Goon Tape and Talon Grips for enhanced handling.

Why is a different guide rod needed for a Gen 3 slide on a Gen 4 Glock frame?

A different guide rod assembly, such as the Lone Wolf Arms model used here, is necessary to ensure proper function and reliability when mating a Gen 3 slide with a Gen 4 Glock frame. This addresses compatibility differences between the generations.

What are the advantages of the Holosun 509T optic mentioned in the video?

The Holosun 509T is praised for its innovative screw-less mounting method, side battery access, solar power capability, and enclosed housing, which collectively offer a robust and user-friendly aiming solution.

What is the recommended SureFire weapon light model and why?

The SureFire X300T Turbo, specifically the Type A (lever-attach) version, is recommended over older Type B models due to its sturdiness and significantly easier on-and-off operation, eliminating the need for screws.

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