Ruger AR-556, Multi-Purpose Rifle, Semi-automatic Rifle, AR15, 223 Wylde, 18" Proof Carbon Fiber Barrel, Ruger Radial Port Muzzle Brake, Rifle Length Gas System, Cerakote Finish, Gray, Magpul PRS Lite Stock, Magpul MOE-K2 Grip, 15" M-LOK Free Floated Aluminum Handguard, Ruger Elite 452 Two Stage Trigger, 30 Rounds, 1 Magazine 08548PROOF Research Carbon Fibr BBL Ruger Elite 452 AR-Trigger Ergonomic MAGPUL Furniture • Action: Semi-Auto • Capacity: 30 + 1 • Finish: Gray Cerakote • Sights: No Sights • Barrel length: 18" • Overall length: 37.63" - 39" • 15in Free-Float MLOK Rail/ Ambi Bolt Release