Christensen Arms CA-15 Recon with 18-inch carbon fiber-wrapped stainless steel barrel optimized for precision and varmint applications. The Recon configuration extends the barrel length for improved velocity and adds a tunable muzzle brake designed to work with Christensen suppressors. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2017, USA Weight: 98 oz Overall length: 36.5" Status: Active Intended use: Precision Shooting, Varmint, Sport Shooting