Christensen Arms CA-15 Summit with 18-inch carbon fiber-wrapped barrel and Summit-specific carbon fiber handguard designed for backpacking hunters. The Summit is Christensen's lightest complete rifle, achieving under 5.25 lbs empty through carbon fiber barrel, carbon handguard, and skeletonized furniture. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2021, USA Weight: 84 oz Overall length: 36.5" Status: Active Intended use: Hunting, Backpacking, Precision Shooting