Full-size .22 LR M&P with 4.1-inch barrel. Larger than M&P22 Compact — similar ergonomics to M&P9 M1.0. Type: Pistol Action: Semi-Automatic Caliber: 22 LR Capacity: 12 Year introduced: 2011, USA Weight: 24 oz Overall length: 7.5" Status: Discontinued Intended use: Training/Plinking