The MP5 N (Navy) was developed specifically for the US Navy SEALs, featuring an ambidextrous safety, Navy-pattern trigger group (semi/3-round burst/full-auto), corrosion-resistant finish, and threaded barrel for suppressor attachment. The Navy trigger group pattern was later adopted by many other special operations users. Type: Submachine Gun Action: Roller-Delayed Blowback Caliber: 9mm Capacity: 30 Year introduced: 1986, Germany Weight: 5.7 oz Overall length: 26.77" Status: Active Military use: Yes Intended use: Special Operations, Military Use, Navy SEALs