DDI Factory tour - Destructive Devices Industries

Published on October 3, 2015
Duration: 27:06

This guide provides an overview of the Destructive Devices Industries (DDI) manufacturing process for AK-pattern rifles, as presented by CEO David Fillers. It highlights their use of CNC machining, rigorous testing, proprietary finishes like Fenocite and KG Gun Kote, and advanced manufacturing techniques such as hammer forging for receivers. DDI emphasizes high-tolerance production and the complexity involved in building quality AKs.

Quick Summary

Destructive Devices Industries (DDI) manufactures US-made AK rifles using advanced techniques like CNC machining and hammer forging for 4140 steel receivers. They employ Green Mountain barrels with tight tolerances and proprietary Fenocite and KG Gun Kote finishes, ensuring high quality through rigorous testing and QC, including test-firing every rifle.

Chapters

  1. 00:00Introduction to DDI
  2. 00:56Facility and Testing
  3. 02:39Company Evolution and Waffen Werks
  4. 04:09Parts Sourcing and Quality Control
  5. 05:49US-Made Components
  6. 07:54Fenocite and Nitriding
  7. 11:11Receiver Manufacturing
  8. 14:01The Complexity of AK Building
  9. 17:01Proprietary Parts and Finishes

Frequently Asked Questions

What makes DDI's AK manufacturing process unique?

DDI emphasizes US-made components, including CNC-machined 4140 steel receivers, Green Mountain barrels with tight tolerances, and proprietary finishes like Fenocite and KG Gun Kote. They are also pioneering hammer-forged milled receivers in the US.

How does DDI ensure the quality of their AK rifles?

DDI implements rigorous quality control, rejecting up to 15% of surplus parts like front trunnions. Every rifle is test-fired and zeroed at the factory to guarantee proper function and sight alignment, addressing common AK issues.

What is Fenocite, and why does DDI use it?

Fenocite is a form of ferritic nitrocarburizing. DDI applies it to barrels and internals for enhanced wear resistance. They believe it preserves accuracy better than chrome lining because it doesn't add layers that can amplify imperfections.

What are the key components used in DDI AKs?

DDI uses 4140 steel for receivers, Green Mountain barrels, Tapco G2 fire control groups, and applies KG Gun Kote finishes over Fenocite treatment. They are also producing their own AK-74 style trunnions and bolts.

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