The Longest Glock EVER!!! (Super Long Slide 10mm Glock)

Published on July 7, 2025
Duration: 18:53

This video showcases an extreme custom 16-inch slide 10mm Glock built by Keely Custom. It compares its velocity gains over standard Glock 20 and 40 models, demonstrating a significant increase in muzzle velocity with various ammunition types. The review also includes tests with suppressors and specialized ammunition like RIP rounds, highlighting the unique capabilities of this extended-slide firearm.

Quick Summary

The custom 16-inch slide 10mm Glock, built by Keely Custom, significantly boosts projectile velocity due to its extended barrel length. It achieved 1295 fps with 180-grain Sig JHP, outperforming standard Glock models and demonstrating reliable cycling with various ammunition types.

Chapters

  1. 00:00Intro: The Magician's Request
  2. 01:42Glock 10mm Lineup & Custom Reveal
  3. 02:52Initial 16-inch Glock Shooting Test
  4. 04:46Velocity Comparison: Glock 20 vs 40 vs Custom
  5. 06:05Suppressed Shooting Fun
  6. 09:2110mm RIP Ammo Test
  7. 12:02Underwood Ammo Performance
  8. 15:28Final Targets & Outro

Frequently Asked Questions

What makes the custom Glock in the video unique?

The custom Glock features an exceptionally long 16-inch slide and barrel, significantly extending its length compared to standard models like the Glock 20 (4.6-inch barrel) and Glock 40 (6-inch barrel). This custom build was created by Keely Custom.

How does the 16-inch barrel affect 10mm velocity?

The 16-inch barrel provides a substantial increase in projectile velocity. For example, it achieved 1295 fps with 180-grain Sig JHP, outperforming the Glock 20 (1148 fps) and Glock 40 (1206 fps).

What kind of ammunition was tested in the long Glock?

Various types of 10mm ammunition were tested, including 200-grain hard cast, 180-grain Sig JHP, 10mm RIP (Radically Invasive Projectile), and Underwood 135-grain JHP. The extended barrel showed reliable cycling and increased velocity with all tested loads.

Can the custom long Glock be suppressed?

Yes, the custom 16-inch Glock features a threaded barrel, allowing for the attachment of suppressors. The video demonstrates its use with a 45 Ghost suppressor for a quieter shooting experience.

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