Meet the STAR-15 a carbine with everything you need and nothing you don't. Some call this AR-15 basic. We prefer formidable. Features include: Mil-Spec receivers adjustable buttstock two-piece handguards A-2 flash hider and 16-inch FN chrome lined hammer forged barrel for the utmost in reliable accuracy. Build it into your ideal carbine or leave it as is for a great beginner rifle. The choice is yours. Either way you'll love its performance. - Caliber: 5.56x45mm NATO - Twist Rate: 1:9 Right Hand - Barrel Length: 16 - Barrel Type: FN chrome lined hammer forged barrel - Barrel Material: 4140 Chrome Moly - Barrel Features: M4 Feed Ramps - Overal Length: 36 - Upper Receiver Type: Flattop - Upper Receiver Material: Forged Aircraft 7075 T6 Aluminum - Upper Receiver Coating: Anodized to Mil-Spec - Upper Receiver Features: T-Marks Brass Deflector Forward Assist M4 Feedramps - Lower Receiver Material: Forged Aircraft 7075 T6 Aluminum - Lower Receiver Coating: Anodized to Mil-Spec - Fire Control Group: Standard Trigger Group - Sight / Gas Block: F Marked Front Sight - Pistol Grip: A2 - Muzzle Device: A-2 Flash Hider - Handguard: Polymer 2-Piece (CAR Length) - Charging Handle: Standard Charging Handle - Buttstock: DS4 6-Position Adjustable - Magazine Capacity: 30 rd. - Action: Direct Gas Impingement - Modes of Fire: Semi - Automatic