Find out what this MP5 that fires the 10mm round is all about in this video by Garand Thumb... "Curious about the MP5 chambered in 10mm? In this video, we delve into this powerful variant of the iconic MP5, exploring its features, performance, and how it stacks up against the traditional 9mm version. Discover why the 10mm chambering might be the ultimate choice for certain applications and see the MP5 in action with detailed analysis and shooting tests."