The MP5N is a variant developed specifically for the United States Navy SEALs, featuring an ambidextrous trigger group and threaded barrel for suppressor attachment. The N designation stands for Navy. It is one of the most specialized MP5 variants and saw extensive use in Naval Special Warfare units. Type: Submachine Gun Action: Semi/Full-Auto Caliber: 9mm Capacity: 30 Year introduced: 1988, Germany Weight: 88 oz Overall length: 19.3" Status: Active Military use: Yes Intended use: military, special_operations