The Smith & Wesson(R) M&P15 Sport III is a semi automatic rifle chambered in 5.56 NATO. This 10 round configuration includes a factory installed Crimson Trace red dot optic a 16 inch barrel and a black finish.Key FeaturesBarrel: 16 inch threaded 4140 chrome moly steel barrel with 5R rifling and a 1:8 twist.Handguard: 15 inch free floating M-LOK handguard provides accessory mounting space.Gas System: Mid length gas operated system.Optic: Factory installed Crimson Trace red dot sight.Magazine: Includes one 10 round magazine.Smith & Wesson(R) has a long history of building firearms for sport training and personal defense with a focus on practical performance. The brand is known for consistent manufacturing standards and designs that balance reliability ergonomics and value. From rimfire trainers to duty proven platforms Smith & Wesson products are built to support shooters across a wide range of uses.