Which Barrel Length Is Best For The AK?

Published on March 30, 2023
Duration: 22:35

This video explores the impact of AK barrel length on practical accuracy, focusing on sight radius rather than velocity. The presenter demonstrates how longer sight radii on 16-inch and especially 20-inch barrels (Pioneer Arms National Match) significantly improve the ease of achieving precise sight alignment compared to shorter barrels like the 14.5-inch Meridian Defense Pestilence. While velocity differences are noted as minimal between 16-inch and 20-inch barrels in previous tests, the extended sight radius on longer barrels is highlighted as a key factor for enhanced iron sight shooting.

Quick Summary

The ideal AK barrel length for iron sight accuracy is influenced more by sight radius than velocity. Longer barrels (like 20-inch) offer a greater sight radius, making precise alignment easier and reducing perceived wobble, while 16-inch barrels provide a versatile balance. Minimal velocity differences exist between 16" and 20" barrels for 7.62x39.

Chapters

  1. 00:12Introduction: Barrel Length vs. Velocity
  2. 01:17AK Barrel Length Origins
  3. 02:01Velocity Testing Recap
  4. 03:00The Importance of Sight Radius
  5. 04:06Comparing Sight Radii: 14.5" vs. Pistol
  6. 06:04Shortest Sight Radius: 14.5" AK
  7. 06:37Sight Radius: 16" AK Comparison
  8. 07:18Sight Radius: 20" AK Comparison
  9. 08:43Shooting the 20" Pioneer Arms National Match
  10. 09:51Pioneer Arms Features: Safety & Bolt Catch
  11. 10:45100 Yard Shots with 20" AK
  12. 11:22Handling and Feel of the 20" AK
  13. 13:17Shooting the 16" Zastava M70
  14. 14:19Accuracy with 16" AK Sights
  15. 15:4416" Barrel: The Do-All Option
  16. 16:48Shooting the 14.5" Meridian Defense Pestilence
  17. 17:01Challenges with Shorter Sight Radius
  18. 19:31Suppressor Impact on Velocity
  19. 20:37Ideal Use Cases for Barrel Lengths
  20. 21:17Conclusion: Preferred Barrel Length
  21. 22:01Viewer Engagement: Your Favorite Barrel Length?

Frequently Asked Questions

What is the primary factor influencing iron sight accuracy with different AK barrel lengths?

The primary factor influencing iron sight accuracy with different AK barrel lengths is the sight radius, which is the distance between the rear and front sights. Longer sight radii make it easier to achieve precise sight alignment and reduce the perceived effect of shooter wobble.

How does barrel length affect velocity in 7.62x39 AKs?

While barrel length generally affects velocity, the difference between a 16-inch and a 20-inch barrel for the 7.62x39 cartridge is minimal, often only a few feet per second. Previous tests showed a difference of just 2 feet per second.

Which AK barrel length is considered the most versatile for general use?

The 16-inch barrel length is widely considered a versatile, multi-purpose option for AK platforms. It offers a good balance for various scenarios, including close quarters and general shooting, and is the legal minimum barrel length for rifles in the US without special classification.

Why is a longer sight radius beneficial for shooting accuracy?

A longer sight radius is beneficial because it magnifies any slight deviations or movements of the firearm. This makes it easier for the shooter to perceive and correct these movements, leading to more precise sight alignment and ultimately better shot placement.

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