Smith & Wesson M&P15 Sport III 5.56 NATO 16" - AR-15 Rifle

Built to work and priced to own, the Smith & Wesson M&P15 Sport III 5.56 NATO 16" brings dependable 5.56 NATO performance to the AR-15 platform without the premium cost of boutique manufacturers or the compromises of budget builds.

The Smith & Wesson M&P15 Sport III 5.56 NATO 16" brings 5.56 NATO capability to a semi-automatic AR-15 rifle, using a mid-length direct impingement operating system designed for dependable function in any condition.

Reliable Function: A proven mid-length direct impingement operating system cycles a wide range of 5.56 NATO ammunition reliably — the foundation of any dependable AR-15.

Practical Barrel Length: The 16" barrel strikes a practical balance between velocity, maneuverability, and overall weight — a versatile choice for both defensive and recreational use.

Full Aftermarket Compatibility: Standard AR-15 architecture means the full range of aftermarket components, optics, and accessories are available — configure this rifle exactly how you want it.

Durable Construction: Quality materials and a durable finish ensure this platform holds up under regular range use and long-term storage without degrading function or accuracy.

• Caliber: 5.56 NATO
• Barrel Length: 16"
• Gas System: Mid-Length Direct Impingement
• Handguard: 15" M-Lok Free-Float
• Muzzle Threading: 1/2x28
• Magazine Capacity: 30-Round
• Finish: Type III Hardcoat Anodized
• Origin: Made in the USA

Accepts all STANAG-pattern 5.56 NATO magazines and pairs with any mil-spec AR-15 lower receiver. Compatible with standard carbine buffer systems and mil-spec lower parts kits.

Machined from 7075 aluminum and coated with Type III Hardcoat Anodized, the receiver set offers durable protection against wear and environmental exposure while maintaining precise fit between components.

Practical for home defense, recreational range use, and entry-level competition. Suits both first-time AR-15 buyers and experienced shooters looking for a dependable utility rifle.

Smith and Wesson has been producing American firearms for over 170 years. The M&P15 series is backed by S&W's lifetime service policy and a track record of reliable performance in the field. Made in the USA.