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.
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![[SHOT 2018]: D3LLC's domestic MP5SD](https://i.ytimg.com/vi/XwTZYBn-4kE/hqdefault.jpg)
