Barrelology - Featuring our new Double Diamond Barrels

Published on July 20, 2015
Duration: 17:19

This guide details the installation of a Double Diamond aftermarket barrel into a Glock pistol, contrasting its features with the factory barrel. It highlights the benefits of traditional rifling for lead bullets and tighter tolerances for improved accuracy, as demonstrated by Lenny Magill of GlockStore. The process involves a simple drop-in installation after comparing key measurements like barrel hood width.

Quick Summary

Aftermarket Glock barrels, like the Double Diamond series, offer enhanced accuracy through tighter tolerances (e.g., 0.390" hood width) and traditional lands-and-grooves rifling, which safely handles lead bullets. This contrasts with Glock factory barrels designed for extreme reliability with looser tolerances and hexagonal rifling, which can foul with lead.

Chapters

  1. 00:00Introduction to Barrelology
  2. 00:33Lead Bullets and Hexagonal Rifling
  3. 01:18Glock Factory Design Philosophy
  4. 04:28Aftermarket Barrel Advantages
  5. 07:15Technical Comparison: Barrel Hood Width
  6. 09:20Slide Customization Options
  7. 10:54Installation and Conclusion

Frequently Asked Questions

What is the main advantage of aftermarket Glock barrels like the Double Diamond series?

Aftermarket barrels, such as the Double Diamond, often feature traditional lands-and-grooves rifling and tighter tolerances. This combination enhances accuracy and allows for the safe use of lead bullets, unlike the hexagonal rifling found in some factory Glock barrels which can lead to fouling.

How does the barrel hood width affect Glock pistol accuracy?

A tighter barrel hood fit, like the 0.390" measurement on the Double Diamond barrel compared to the factory's 0.387", results in a more consistent lockup between the barrel and slide. This improved consistency is crucial for achieving better shot-to-shot accuracy.

Why do Glock factory barrels use hexagonal rifling?

Glock factory barrels utilize hexagonal rifling partly for durability and reliability in harsh conditions. However, this design can be more susceptible to lead fouling when shooting unjacketed lead bullets, potentially impacting performance over time.

Can I safely shoot lead bullets through my Glock with an aftermarket barrel?

Yes, aftermarket barrels with traditional lands-and-grooves rifling, like the Double Diamond barrels discussed, are designed to safely and effectively shoot unjacketed lead bullets without excessive fouling, unlike some factory barrels.

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