The Ruger MK IV Target is a .22 LR target pistol with a 5.5-inch bull barrel, fully adjustable rear sight, and the MK IV generation's defining one-button takedown system that eliminates the notoriously difficult field-strip of prior MK generations. The bull barrel provides excellent balance and heat absorption for sustained target shooting sessions. Type: Semi-Auto Pistol Action: Semi-Automatic Caliber: .22 LR Capacity: 10 Year introduced: 2017, USA Weight: 42 oz Overall length: 9.75" Status: Active Intended use: Target Shooting, Training, Plinking