The Smith & Wesson M&P 15 Sport III is a semi-automatic AR-style rifle with a free-float handguard, adjustable stock, and a 1:8 twist 5R rifled 4140 chromoly barrel. The Sport III is configured for modularity, with a mid-length gas system and accessory-friendly handguard that accept common aftermarket components.
Key features
- Semi-automatic AR-style rifle with free-float handguard for accessory mounting
- Adjustable stock for user fit and comfort
- Mid-length gas system to help manage recoil and cycling characteristics
- 1:8 twist, 5R rifled 4140 chromoly barrel for compatibility with a broad range of ammunition types
- Aluminum receiver with polymer grip and standard thumb safety
- Designed for compatibility with many common aftermarket AR components and accessories
Typical specifications
- Caliber: 5.56 NATO
- Action: Semi-automatic
- Handguard: Free-float
- Gas system: Mid-length
- Barrel: 1:8 twist, 5R rifled, 4140 chromoly
- Receiver material: Aluminum
- Finish / Color: Black
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