The Del-Ton Sierra 316 is a semi-automatic rifle that is designed for law enforcement, military, and civilian use. This rifle features a 16-inch barrel that is made from chrome moly vanadium steel and is designed to deliver superior accuracy and durability. The Sierra 316 has a 1:9 twist rate that is optimized for stabilizing a wide range of bullet weights, making it a versatile choice for a range of shooting scenarios.