The Ruger No. 1 Varminter in .223 Rem brings the classic falling-block action to the most popular varmint cartridge, with a 24-inch heavy barrel and a wide beavertail walnut forend for benchrest use. Type: Single-Shot Rifle Action: Falling Block Caliber: .223 Rem Capacity: 1 Year introduced: 1967, USA Weight: 134.4 oz Overall length: 43.5" Status: Active Intended use: Varmint, Target