[SHOT 2018]: D3LLC's domestic MP5SD

Published on January 22, 2018
Duration: 7:00

This video reviews D3LLC's domestic MP5 SD-style firearms built on AR platforms. The D39SD and D39SDK models feature integral suppressors designed to eliminate the supersonic crack of 9mm ammunition by bleeding off pressure. The review highlights the quiet operation, US-made components, and compatibility with Glock magazines on the SDK model. Expert insights are provided on the development and functionality of these unique suppressed weapon systems.

Quick Summary

D3LLC's D39SD and D39SDK firearms offer exceptional quietness on AR platforms by utilizing integral suppressors. These systems feature ported barrels that reduce standard 9mm ammunition to subsonic velocities, eliminating the supersonic crack for a significantly quieter shooting experience.

Chapters

  1. 00:04D3LLC Introduction and Specialization
  2. 00:37Integral Suppressor Development History
  3. 01:06D39SD Standard Version
  4. 01:21Origin of the AR Platform MP5SD
  5. 02:01From Toy to Production
  6. 02:21D39SDK Compact Version
  7. 03:02Platform Compatibility and Glock Mags
  8. 03:10MP5 SD Functionality Explained
  9. 04:03D3 Line Suppression
  10. 04:08Demonstration and US Components
  11. 04:24D3 Suppressor System
  12. 05:08Live Fire Demonstration
  13. 06:00Post-Shoot Impressions
  14. 06:30Video Conclusion

Frequently Asked Questions

What makes the D3LLC D39SD and D39SDK firearms so quiet?

These firearms feature integral suppressors designed to eliminate the supersonic crack of 9mm ammunition. They achieve this by using a ported barrel system that bleeds off pressure, reducing standard 115-grain ammo to subsonic velocities.

What is the main difference between the D3LLC D39SD and D39SDK models?

The D39SD is the standard version with a 6.75-inch barrel and a 12-inch suppressor. The D39SDK is a more compact 'K' (Kurz) version with a 5.75-inch barrel and an 8-inch suppressor, making it shorter and more maneuverable.

Can the D3LLC D39SDK use standard AR-15 parts?

The D39SDK is built on an AR platform and runs Glock magazines. Most parts are compatible with standard AR-15 components, with the exception of the stock.

What is the origin of D3LLC's MP5 SD-style AR builds?

D3LLC created these firearms due to the difficulty and expense of acquiring original MP5 SD models. They adapted an MP5 SD suppressor and modified a barrel system for the AR-15 platform to replicate the desired functionality.

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