No More Pistol Suppressor Gas to the Face || 3rd Echelon Gas Cap

Published on March 6, 2026
Duration: 9:28

This video provides an expert-level review and demonstration of the 3rd Echelon Gas Cap, a modification designed to mitigate gas and debris blowback when shooting suppressed pistols. The presenter, an experienced firearms instructor, details the mechanics of suppressor gas blowback and conducts rigorous testing using high-speed video to showcase the Gas Cap's effectiveness. The review covers installation, functionality, compatibility with various Glock generations, and potential areas for improvement.

Quick Summary

The 3rd Echelon Gas Cap effectively eliminates gas and debris blowback from suppressed pistols by redirecting backflowing gas downwards. Testing shows complete elimination of blowback in the 'closed' position, significantly reducing it in the 'open' position compared to standard end plates.

Chapters

  1. 00:00Intro & Product Tease
  2. 00:46Introducing the 3rd Echelon Gas Cap
  3. 01:00Understanding Suppressor Gas Blowback
  4. 02:12Primary Gas Leak Points
  5. 03:00Testing Methodology Explained
  6. 03:24Test 1: Standard End Plate Results
  7. 04:28Test 2: Gas Cap in Open Position
  8. 04:47Test 3: Gas Cap in Closed Position
  9. 05:06How the Gas Cap Works
  10. 05:32Disassembly Functionality
  11. 06:24Material and Compatibility Details
  12. 06:56Critiques and Suggested Improvements
  13. 08:32Final Verdict and Guarantee

Frequently Asked Questions

What is the 3rd Echelon Gas Cap and what problem does it solve?

The 3rd Echelon Gas Cap is a firearm accessory designed to mitigate gas and debris blowback into the shooter's face when firing a suppressed pistol. It addresses the issue where increased pressure from a suppressor causes gas, powder, and debris to leak from the ejection port and slide rails.

How does the 3rd Echelon Gas Cap work to reduce blowback?

The Gas Cap extends the interior geometry of the slide externally, creating a blast deflection cup. This design redirects the backflowing gas downwards and away from the shooter's face and hands, preventing it from escaping rearward through the slide rails.

What are the compatibility options for the 3rd Echelon Gas Cap?

The Gas Cap is available in three variants: one for Glock Gen 3, 4, and 5; another for Gen V and 6; and a third specifically for slimline Glocks like the 43, 43X, and 48.

Can the 3rd Echelon Gas Cap be easily removed for pistol disassembly?

Yes, the Gas Cap features an 'off' position that allows it to be flipped up, enabling standard Glock pistol disassembly. This is a crucial feature as many similar accessories can hinder this process.

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