S&W M&P15 Sport III Rifle 5.56mm 30rd Magazine(1) 16″ Barrel MLOK Handguard

The Smith & Wesson M&P15 Sport III is a modern, entry-level AR-15 style semi-automatic rifle chambered in 5.56mm NATO (.223 Remington compatible). It is the latest generation in S&W’s popular M&P15 Sport lineup, designed for versatility, reliability, and affordability for both new and experienced shooters.

Key Specifications

• Caliber: 5.56mm NATO (.223 Rem)
• Barrel Length: 16 inches, 1:8 twist, 5R rifling, Armornite® (nitride) finish for durability
• Magazine: Ships with one 30-round PMAG (where legal)
• Handguard: 15-inch free-floating M-LOK® handguard with full-length Picatinny rail for optics and accessories
• Gas System: Mid-length, for reduced recoil and improved reliability
• Stock: 6-position adjustable M4-style stock
• Receiver: 7075 T6 aluminum, hard-coat anodized
• Weight: ~6.5 lbs
• Overall Length: 35 inches (extended), 32 inches (collapsed)
• Controls: Standard AR-15 layout (left-side bolt release, right-side mag release, thumb safety)
• Sights: None included (optic-ready)
• Other Features: Forged integral trigger guard, beveled magwell, forward assist, dust cover, chromed firing pin.

Features and Upgrades Of M&P15

• Free-Float Handguard: Increases accuracy and allows for easy mounting of accessories via M-LOK slots at 3, 6, and 9 o’clock.
• Mid-Length Gas System: Softer recoil impulse compared to carbine-length systems.
• Durable Barrel: 4140 chrome moly steel, Armornite finish, threaded muzzle (1/2×28) for suppressors or muzzle devices.
• Optics Ready: Full-length Picatinny rail for mounting red dots or scopes; no iron sights included.
• Affordable and Upgradable: Designed as a budget-friendly AR-15 that can be easily customized with aftermarket parts.

Intended Use Of S&W M&P15 Sport III

The M&P15 Sport III is suitable for:

• Recreational and target shooting
• Home defense
• Entry-level competition
• Law enforcement training and patrol (in some configurations).