Proof Research manufactures carbon fiber composite barrels and complete bolt-action rifles in Columbia Falls, Montana. The Glacier uses Proof's carbon composite barrel wrapping technology — a precision-rifled stainless liner with carbon fiber overwrap — achieving sub-half-MOA accuracy at a fraction of the weight of an all-steel barrel. Proof rifles are specified by name in several military sniper programs. Type: Rifle Action: Bolt-Action Caliber: 6.5 PRC Capacity: 4 Year introduced: 2017, USA Weight: 96 oz Overall length: 43.5" Status: Active Intended use: precision, hunting, military