Proof Research 128404: The Elevation MTR (Mountain Tactical Rifle) comes standard with a carbon fiber barrel, a lightweight composite stock, Zermatt Arms Origin action and TriggerTech trigger. The Elevation MTR features a Proof patented carbon fiber-wrapped, match-grade barrel; Proof carbon fiber stock and a Pachmayr recoil pad. – Action Bolt Action – Caliber/Gauge .300 Win – Barrel Length 24 – Twist 1:10" – Barrel Description Carbon Fiber – Muzzle Threaded – Trigger Trigger Tech – SKU LNG-PROOF-128404 – Country of Manufacture – License Requirement FFL