Description
The Smith & Wesson M&P15 Sport III is a modern sporting rifle built for range use, training, and recreational shooting. It features a 16-inch 1:8 twist 5R rifled barrel and a full-length top Picatinny-style rail for optics and accessories. The Sport III uses a 15-inch free-floating M-LOK handguard and a mid-length gas system for reduced perceived recoil and improved balance. Controls include a thumb safety and a six-position adjustable stock for ergonomic fit.
Key Specifications
- Caliber is .223 Rem / 5.56 NATO.
- The barrel measures 16 inches and uses a 1:8″ 5R rifling profile.
- Handguard is a 15-inch free-floating M-LOK rail for accessory mounting.
- Gas system is a mid-length design for smoother cycling.
- Magazine capacity is 10 rounds.
- Weight is approximately 6.5 lbs.
- Stock is a 6-position adjustable polymer unit.
- Barrel is threaded 1/2×28 and fitted with an A2-style flash device.
- Receiver material is 7075-T6 aluminum.
- Barrel material/finish is 4140 steel with Armornite finish.
Well-equipped straight from the factory, the M&P15 Sport III delivers a balanced package for shooters who value modularity and straightforward performance. With a full-length rail and M-LOK handguard it accepts a wide range of accessories, while the mid-length gas system and 5R barrel profile support consistent, controllable shooting. Its configuration makes it suitable for range sessions, competitive formats that permit modern sporting rifles, and general-purpose training applications.
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