The SP101 with 4.2-inch barrel is the longer hunting and target configuration of the compact SP101 frame. The extended barrel provides improved velocity from .357 Magnum loads and a better sight radius for precision shooting. This configuration bridges the gap between the snubnose SP101 and the full-size GP100, offering a middle option for those who want a more compact but accurate revolver. Type: Revolver Action: Double-Action Caliber: .357 Magnum Capacity: 5 Year introduced: 2005, USA Weight: 30 oz Overall length: 9" Status: Active Intended use: hunting, target, self_defense, outdoor