How I Chose a Glock Barrel

Published on November 29, 2016
Duration: 10:49

This video provides an in-depth, analytical review of aftermarket Glock barrels, specifically focusing on the L2D Combat Glock 19 barrel. The instructor, demonstrating high technical expertise, uses digital calipers to compare critical mechanical features like engagement step height, feed ramp polish, case support, and chamber fit against a factory Glock barrel. The L2D Combat barrel is highlighted for its superior fit, finish, and measurable performance enhancements, justifying its higher price point.

Quick Summary

The L2D Combat Glock 19 barrel offers superior mechanical features compared to factory barrels, including a taller engagement step (2.49mm vs 2.23mm), a highly polished feed ramp for reliability, excellent case support for safety, and a protective target crown for accuracy. These measurable differences justify its premium price point.

Chapters

  1. 00:08Glock Barrels Analysis
  2. 01:01Fit and Lockup Comparison
  3. 03:40Measuring Engagement Step
  4. 04:38Feed Ramp Quality
  5. 06:32Case Support Analysis
  6. 07:44Barrel Crowning
  7. 09:26Conclusion

Frequently Asked Questions

What are the key mechanical differences between the L2D Combat Glock 19 barrel and a factory Glock barrel?

The L2D Combat barrel features a taller engagement step (2.49mm vs 2.23mm), a highly polished feed ramp, superior case support up to the extractor groove, and a recessed target crown, all contributing to better fit, reliability, and potential accuracy.

Why is case support important in a firearm barrel?

Good case support is crucial for safety, as it prevents the base of the cartridge casing from bulging or separating under pressure. This is especially important when firing higher-pressure ammunition, ensuring consistent combustion and preventing dangerous failures.

How does the feed ramp on the L2D Combat barrel compare to others?

The L2D Combat barrel boasts an excellent, highly polished feed ramp, which significantly improves the reliability of ammunition feeding into the chamber. Other tested barrels had ramps that were merely smoothed or machined without the same level of polish.

What is the significance of a target crown on a handgun barrel?

A target crown, particularly a recessed one like on the L2D Combat barrel, protects the rifling at the muzzle and helps ensure a consistent release of gas upon bullet exit, which can enhance accuracy. This is a feature more commonly found on precision rifles.

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