The Proof Research Glacier Ti is a ultralight bolt-action hunting rifle featuring a carbon fiber-wrapped match-grade stainless barrel, titanium action, and carbon fiber stock. Among the lightest factory precision rifles available, at under 5 pounds. Type: Rifle Action: Bolt-Action Caliber: .308 Winchester Capacity: 5 Year introduced: 2018, USA Weight: 68.8 oz Overall length: 42.5" Status: Active Intended use: Hunting, Precision Shooting