Troy M7A1 Personal Defense Weapon with 7.5-inch chrome-lined barrel and Troy's proprietary side-folding brace mechanism. The M7A1 folds to approximately 16 inches for transport, making it one of the most compact 5.56 configurations that can be configured without NFA paperwork. Type: Pistol Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2013, USA Weight: 88 oz Overall length: 20.5" Status: Active Intended use: Tactical, Law Enforcement, Vehicle Operations