Heckler & Koch XM8

The Heckler & Koch XM8 is a modular assault rifle developed as a potential replacement for the M16/M4 family of firearms. It was designed to offer improved ergonomics, reliability, and customization options for military use.

Technical Details

Historical Significance

The XM8 project aimed to create a more modern and versatile rifle platform. Despite initial interest, the project faced challenges and was eventually canceled. Some design elements from the XM8 influenced the development of other firearms.


The Heckler & Koch XM8 was an experimental modular assault rifle designed to offer improvements over existing platforms. Although the project did not lead to widespread adoption, it provided valuable insights into firearm design and influenced subsequent developments in the industry.