The Krieger - The Last Upper I Can Make - Geissele, CMT, Toolcraft

Published on April 22, 2023
Duration: 24:31

This video details the construction of the 'Krieger' 16-inch AR-15 upper receiver, highlighting its components and assembly process. The build features a Geissele 16-inch cold hammer-forged, chrome-lined barrel, a Toolcraft Titanium Nitride BCG, and a CMT HDX UHP 13.7-inch M-LOK rail. The presenter discusses the impact of Washington State's new assault weapon ban on his ability to produce these uppers, emphasizing the quality and performance of the Krieger build, including its accuracy and shooting characteristics.

Quick Summary

The Geissele Krieger AR-15 upper receiver features a 16-inch cold hammer-forged, chrome-lined barrel, a Toolcraft Titanium Nitride BCG for enhanced durability, and a CMT HDX UHP M-LOK rail with a stable channel wedge lock system. Accuracy tests show sub-MOA potential with heavier ammunition.

Chapters

  1. 00:00Introduction & Context
  2. 01:33Introducing the Krieger Upper
  3. 03:32Barrel and BCG Deep Dive
  4. 08:22Rail System and Upper Receiver
  5. 11:35Assembly Process and Torque Specs
  6. 12:40Performance and Shooting Impressions
  7. 16:16Barrel Length Discussion
  8. 16:50Accuracy Testing
  9. 17:53Suppressor Dispersion Test
  10. 18:56600 Yard Performance
  11. 20:30Field Shooting Footage
  12. 21:58Versatility and Use Cases
  13. 22:37Value and Conclusion
  14. 23:47Final Thoughts & Support

Frequently Asked Questions

What are the key components of the Geissele Krieger AR-15 upper receiver?

The Krieger upper features a Geissele 16-inch cold hammer-forged, chrome-lined barrel with a taper profile, a Toolcraft Titanium Nitride BCG for durability and lubricity, and a CMT HDX UHP 13.7-inch M-LOK rail known for its stable channel wedge lock system.

How does the Geissele barrel in the Krieger upper perform in terms of accuracy?

Accuracy tests showed sub-MOA groups with HSM 77-grain ammunition and around 1.5 MOA with 69-grain ADI match, indicating the barrel favors heavier bullet weights and can achieve good precision.

What is the significance of the Washington State assault weapon ban mentioned in the video?

The presenter explains that Washington State's new assault weapon ban makes it legally impossible to obtain parts like upper receivers or barrels within the state, effectively shutting down his local business operations and necessitating a move.

What are the recommended assembly steps for the Krieger upper receiver?

Assembly involves lapping the upper receiver face, bedding the barrel with Loctite, torquing the barrel nut to 50 ft-lbs, and securing the rail's steel wedges to 60 in-lbs, ensuring a robust and stable build.

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