The Umarex Steel Force is an AR-style semi-automatic .22 LR with a 16-inch barrel in a M4-pattern folding stock configuration, designed as a budget training alternative to the S&W M&P 15-22. Type: Rifle Action: Semi-Auto Caliber: .22 LR Capacity: 20 Year introduced: 2015, Germany Weight: 5.5 oz Overall length: 32" Status: Active Intended use: Training/Plinking