The Ruger Mark IV Competition in .22 LR with 6.88-inch bull barrel. The long-barrel competition variant of the Mark IV featuring the one-button takedown, fully adjustable rear sight, and fiber optic front sight. Maximum sight radius for precision target work. Type: Semi-Auto Pistol Action: SA Only Caliber: .22 LR Capacity: 10 Year introduced: 2016, USA Weight: 45 oz Overall length: 11.25" Status: Active Intended use: Competition, Target