Old-school German MP5SD is so quiet you can hear the trigger reset (VIDEO)

Machine Gun Mike breaks out a select-fire, suppressed HK MP5SD built by Urbach Precision and shows you why it’s so muffly.

It’s got all the goodies, being a suppressed SBR with both three-round burst and full-auto selector switch and on-board en-quieter that is capable of putting the hush on even super-sonic hardball. Yup, the MP5SD was developed by Heckler & Koch in 1976 for military commandos and was designed to allow standard NATO ball, already in service for subguns and handguns, to be used in the integrally suppressed little SD, but still be quiet enough to where mechanical action noise is all you hear.

Who knew that a steel plate could ring so true when being repeatedly stitched by 9mm?

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