Smith & Wesson M&P15 Sport III 5.56 NATO 16″ 30rd

About this product

The Smith & Wesson M&P15 Sport III is a modern sporting rifle built for range use, training, and accessory customization. Chambered in 5.56 NATO/.223 Rem, it pairs a 16-inch threaded barrel and A2 flash suppressor with a free-floating 15-inch M-LOK handguard for modularity. The rifle ships with a single 30-round magazine and a six-position collapsible stock for adaptable ergonomics. Constructed on a 7075-T6 aluminum receiver with a 4140 steel Armornite-finished barrel and 1:8 5R rifling, it balances durability and shootability.

Key Specifications

• The caliber is 5.56 NATO / .223 Rem.
• The barrel measures 16 inches and features a threaded muzzle.
• The magazine capacity is 30 rounds and one magazine is included.
• The action is gas-operated semi-automatic.
• The rifle weighs approximately 6.5 lbs.
• The handguard is a free-floating 15-inch M-LOK design.
• The rifling is 1:8 twist with 5R rifling.
• The receiver is made from 7075-T6 aluminum.
• The barrel material and finish are 4140 steel with Armornite finish.
• The stock is a 6-position collapsible configuration.

With a focus on modularity and reliable construction, the M&P15 Sport III provides a ready platform for optics, accessories, and personalized setups. Its combination of a mid-length gas system, free-floating M-LOK rail and threaded 16-inch barrel makes it practical for range sessions and competitive or training applications where a configurable, rugged modern sporting rifle is required.

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