The 686 Plus SSR Pro is a 7-shot Performance Center variant of the SSR optimized for IDPA Stock Service Revolver division, combining the extra round of the Plus cylinder with the competition tuning of the SSR. Type: Revolver Action: Double-Action Caliber: 357 Magnum Capacity: 7 Year introduced: 2009, USA Weight: 38.5 oz Overall length: 9.5" Status: Active Intended use: IDPA Competition