Designed for use in law enforcement, military operations, or the sporting field as well as competitive shooting. The SIGM400 is a true AR platform tactical rifle. Provides unparalleled accuracy, with a 16” chrome-lined and phosphate coated barrel that provides maximum durability and corrosion resistance. A 7075-T6 aircraft grade aluminum forged lower receiver adds to the durability and reliability.
Great gun. No problems. It's a Sig