The Ruger MK IV Hunter succeeds the MK III Hunter with the simplified one-button takedown system. Features a 6.875-inch fluted bull barrel, Picatinny rail, and Hi-Viz green fiber-optic front sight. Designed for small-game hunting, particularly squirrels, where optics and maximum velocity are desired. Type: Semi-Auto Pistol Action: Semi-Automatic Caliber: .22 LR Capacity: 10 Year introduced: 2017, USA Weight: 42 oz Overall length: 11.125" Status: Active Intended use: Hunting, Target Shooting