Compact APC9 variant with shorter barrel and folding stock. True PDW dimensions; used by Swiss military and law enforcement. The "K" (Kurz/short) designation matches H&K naming convention for compact variants. Type: Submachine Gun Action: Gas-Operated Caliber: 9mm Luger Capacity: 30 Year introduced: 2017, Switzerland Weight: 88 oz Overall length: 17.5" Status: Active Military use: Yes Intended use: military, law_enforcement