The Diamondback Firearms DB15 5.56 NATO Semi Automatic Rifle is an excellent intermediate level AR for defense, hunting, and recreational use. It's built from the ground up right here in the USA. Featuring forged 7075-T6 aluminum receivers, a 16" 4140 Chrome Moly free float barrel and a Magnetic Particle Inspected shot peened bolt carrier, the DB15 is built to last. With a 12" Diamondback Aluminum M-LOK hand guard and a 6 position collapsible stock this rifle is modular and functional, ready to take on anything you can put it thru. Regardless if this is your first or one hundredth AR you will be impressed with the fit, finish, and function of the DB15. Pick up a Diamondback Firearms DB15 today and see why Diamondback Firearms is considered a great choice for firearms.