The Surgeon Sentinel is a competition precision bolt-action rifle chambered in 6mm Creedmoor with a 26-inch Bartlein match barrel. The 6mm Creedmoor was introduced in 2017 specifically for PRS and F-Class competition, offering the trajectory and BC advantage of 6mm projectiles in a 6.5 Creedmoor-length case. Surgeon's Sentinel brings this cartridge to the 591 action. Type: Rifle Action: Bolt-Action Caliber: 6mm Creedmoor Capacity: 5 Year introduced: 2017, USA Weight: 11.5 oz Overall length: 48" Status: Active Intended use: precision competition, F-Class, PRS