MP5/10: FBI's super-charged submachine gun, with firearms expert Jonathan Ferguson
This entry details the Heckler & Koch MP5/10, a 10mm Auto variant developed for the FBI. It highlights the weapon's unique bolt hold-open device, a feature requested by the FBI for faster reloads, and its physical differences from the standard MP5. The information is presented by Jonathan Ferguson, Keeper of Firearms & Artillery at the Royal Armouries, indicating expert-level insight.











