Product Features & Specifications The CheyTac CT15 5.56 NATO AR-15 features a CNC machined 7075-T6 aluminum with a type III hard coat anodized upper & lower, 4150 vanadium steel with a 16" 1:7" twist SOCOM profile barrel, and a Low Profile CNC machined gas system. This rifle also has 13" M-LOK 6061-T6 aluminum handguard, MIL-STD charging handle, and a Custom CheyTac "D" stock. The B5 Systems Enhanced SOPMOD stock provides comfort, accuracy, and extreme stability. Features include a 16" 1:7T, 4150 Chrome Moly Vanadium steel barrel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed. Also included is a Timney Impact AR Trigger, and a low profile gas block, nitride coated, mid length SS gas tube. Manufacturer: CheyTac Model: CT15 Caliber: 5.56 NATO Capacity: 30 Rounds Receiver set: Precision Machined Aluminum Billet Effective range: 800 Yards Barrel: 16" 1:7T, Gov Profile, 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed Muzzle: A2 Flash Hider Trigger: Timney Impact AR Trigger, drop-in, 3lb pull Safety: Ambidextrous Safety Gas System: Low Profile gas block, Nitride Coated, Mid Length SS gas tube Buffer System: H2 Buffer Assembly with 17-4 SS Spring Bolt Carrier Group: Full Auto Cut & Rated, properly staked gas key Handguard: 14.75" MLOK rail, CNC Machined of 6061-T6 Aluminum with integrated QD mounts Accessory: Picatinny Rail with QD Mount Charging Handle: WarHammer Ambidextrous by Breek Arms Stock: B5 Systems Enhanced SOPMOD, 6 Position adjustable w/ QD Mount Pistol Grip: B5 Systems Textured Black Polymer Cerakote: Armor Black UPC: 687700089629 SKU: CT15B5STK