CZ 527 Varmint in .204 Ruger with a 24-inch heavy barrel, set trigger, and walnut varmint stock. The 527 uses a miniaturized Mauser-style controlled-round feed action scaled for small calibers. Type: Rifle Action: Bolt-Action Caliber: .204 Ruger Capacity: 5 Year introduced: 2007, Czech Republic Weight: 7.9 oz Overall length: 42.5" Status: Discontinued Intended use: Varmint, Benchrest