M&P 15-22 with a folding stock mechanism that allows the stock to fold alongside the receiver for compact transport and storage. Folded length is approximately 26 inches. Particularly useful for range bag transport. 16.5-inch barrel retained. Type: Rifle Action: Semi-Automatic Caliber: 22 LR Capacity: 25 Year introduced: 2016, USA Weight: 47.2 oz Overall length: 35" Status: Active Intended use: Recreational Shooting, Training