The Smith & Wesson M&P15 Sport III is a semi-automatic modern sporting rifle chambered for 5.56 NATO / .223 Rem. Its configuration includes a 16-inch barrel, a free-floating 15″ M-LOK handguard and an installed Crimson Trace CTS-106 red dot sight. The design emphasizes modularity and ease of accessory mounting for range use, training, and sport shooting.
Key Specifications
- Chambered for 5.56 NATO / .223 Rem.
- The barrel measures 16 inches and is described with 5R rifling and a 1:8 twist rate.
- Equipped with a free-floating 15″ M-LOK handguard for accessory mounting.
- Uses a mid-length gas system to moderate recoil impulse.
- Built on a 7075-T6 aluminum receiver.
- The barrel material and finish are listed as 4140 steel with Armornite finish.
- Includes an installed Crimson Trace CTS-106 4.0 MOA red dot.
- Includes one 30-round magazine (bundle item).
- Features a 6-position collapsible stock for adjustable length of pull.
- The listed unloaded weight is 6.5 pounds.
Designed for shooters who value a durable, modular platform, the M&P15 Sport III pairs a modern AR-style chassis with a user-ready optic and a full-length top rail for additional sighting options. The free-floating M-LOK handguard and mid-length gas system support accessory customization and comfortable shooting sessions, while the included CTS-106 red dot offers a compact aiming solution right out of the box. This configuration is well suited to range work, training, and general sporting use.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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