There has long been a requirement for a personal defence weapon, or PDW, for soldiers whose primary duty does not involve carrying a rifle. They need something much smaller, lighter and handier which does not burden them or distract them from their main task. Originally, the main priority was for officers, who were almost invariably given revolvers or pistols; but handguns also found a place with cavalry and, later on, with soldiers such as gunners who might come under infantry attack or with tank crews whose space was at a minimum….
