Ruger AR-556 5.56x45

Make: Ruger Model: AR-556 Caliber: 5.56x45 Action: Semi Barrel: 18 Bore: Bright Serial # 1851-60447 Condition: Like New Ruger AR-556 5.56mm NATO 18in Black Semi Automatic Rifle . The Ruger Elite 452 AR-Trigger is a two-stage trigger that offers a smooth, crisp, 4.5 pound trigger pull. It features a full-strength hammer spring for consistent primer ignition and a lightweight hammer that enables a 30% faster lock time over standard MSR triggers. Chrome-plated bolt carrier inside diameter and chrome-plated gas key inside diameter provide exceptional resistance to hot gases. The gas key is staked so that it will not loosen after extensive firing. A matte black oxide finish on the exterior of the bolt carrier provides corrosion resistance. Includes 1 - 30rnd magazine. LNIB. Please see photos.