Christensen Arms Ridgeline, Bolt Action Rifle, 300 Winchester Magnum, 26 Threaded Barrel, 5/8x24, Stainless Finish, Carbon Fiber Composite Stock, 3 Rounds CA10299-215411 The Ridgeline is the quintessential hunting rifle. Offered in twenty chamberings, the rifle features a sporter carbon fiber composite gunstock and a stainless steel radial muzzle brake built around a light target contour Christensen Arms carbon fiber wrapped barrel. The Ridgeline weighs in starting at 6.3 pounds and is backed by the Christensen Arms Sub-MOA Guarantee.