S&W M&P15 Sport III | 5.56 NATO | 16 in | 10-Round | 13953

The Smith & Wesson M&P15 Sport III is a factory-configured modern sporting rifle built for accessory compatibility and consistent range performance. It ships with a free-float 15″ M-LOK handguard, a mid-length gas system, and a fixed stock in a state-compliant configuration with a 10-round magazine. For optics under $1,000, the Vortex Strike Eagle 1-6×24 pairs well with this platform and provides a versatile mid-power option for both close and longer-range target work. Typical applications include recreational target shooting and range training.

Product Specifications

• The UPC is 022188895094.
• The manufacturer is Smith & Wesson (M&P).
• The model is M&P15 Sport III and the manufacturer part number is 13953.
• The caliber is .223 Rem / 5.56 NATO.
• The barrel measures 16 inches.
• The rifle uses a mid-length gas system for reduced felt recoil.
• The handguard is a free-float 15″ M-LOK ready for accessories.
• The barrel uses a 1:8″ twist with 5R rifling.
• The barrel finish is Black Armornite.
• The receiver material is 7075-T6 aluminum.
• The capacity is 10 rounds and the rifle ships with one 10‑round magazine.
• The stock type is a fixed synthetic stock and the grip material is polymer.

The M&P15 Sport III brings a familiar AR-style ergonomics set with modern, accessory-friendly features. Its full-length Picatinny rail and free-float M-LOK handguard make it straightforward to fit lights, grips, or the optic you prefer, and the mid-length gas system plus 1:8″ 5R barrel rifling support a wide range of factory ammunition for consistent performance on the range. This configuration is well suited for disciplined range work and practical marksmanship training where a compliant, ready-to-upgrade rifle is required.

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