Smith & Wesson M&P 15, Sport III, 223 Remington/5.56 NATO, 16″ Barrel, Black, 10 Rounds, Spt 10RD W/opt

Product Description

The Smith & Wesson M&P15 Sport III 5.56 rifle is a versatile semi-automatic platform built for sport shooters and recreational users. It features a 16-inch barrel with anodized black finish. Additionally, the rifle comes factory-equipped with a Crimson Trace Compact Red Dot Sight for immediate accuracy out of the box.

This M&P15 Sport III includes a free-float M-LOK handguard for enhanced accuracy and customization. Furthermore, the 6-position collapsible stock lets you dial in your perfect shooting position. The lightweight polymer furniture keeps the rifle durable without unnecessary weight.

Built for Sport and Recreation

The M&P15 Sport III suits competition participants, sport shooters, and recreational enthusiasts alike. Moreover, beginners appreciate the straightforward design and factory-mounted optics. You get a dependable rifle ready to shoot immediately from Western Sport’s inventory.

Magazine capacity is one 10-round magazine for broad state compliance. However, the rifle accepts standard AR-platform magazines in unrestricted areas. Therefore, this rifle adapts to your local regulations and shooting needs.

Customization and Reliability

The free-float handguard accepts numerous M-LOK aftermarket accessories. Additionally, you can add rails, grips, and other attachments easily. Smith & Wesson’s proven reliability combined with practical features makes this rifle a smart choice.

Ordering from Western Sport

Order online and we ship it to the licensed FFL dealer you choose near you — see how buying a gun online works. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.

Frequently Asked Questions

Q: What ammunition does the M&P15 Sport III 5.56 use?

A: The rifle is chambered in 5.56 NATO/.223 Remington. Additionally, both ammunition types are widely available and affordable. You’ll have no trouble finding rounds for practice or sport shooting.

Q: Is the factory-mounted Crimson Trace red dot sight durable?

A: Yes, the Crimson Trace sight is built to withstand recoil and rough handling. Furthermore, Crimson Trace is known for reliable, quality optics. It provides fast target acquisition for close and mid-range shooting.

Q: Can I customize the M-LOK handguard on this rifle?

A: Absolutely—the free-float M-LOK handguard accepts numerous aftermarket accessories. You can add rails, grips, and other attachments easily. This design gives you flexibility for future upgrades and personalization.

M&P15 Sport III configurations at Western Sport

Smith & Wesson builds the M&P15 Sport III in several versions. They all run a 16″ barrel in 5.56 NATO with a mid-length gas system — what changes is barrel profile, magazine capacity, stock type, whether a factory optic is fitted, and what ships in the box. Current availability is shown on each product page:

• M&P15 Sport III 5.56 rifle, 30-round — the standard rifle, 6-position collapsible stock, no factory optic
• M&P15 Sport III 5.56, 10-round — the same rifle in the reduced-capacity configuration
• M&P15 Sport III heavy barrel, fixed stock — 16″ heavy barrel and a fixed stock, 10-round
• M&P15 Sport III California-compliant, 10-round — built to the California-legal configuration
• M&P15 Sport III with Crimson Trace red dot, 30-round — factory-mounted optic, ready to shoot out of the box
• M&P15 Sport III with Crimson Trace red dot, 10-round — factory-mounted optic in the 10-round configuration
• M&P15 Sport III fixed stock with red dot, 10-round — fixed stock plus a factory Crimson Trace optic
• M&P15 Sport III Bundle — rifle, 30-round magazine, Smith & Wesson Duty Series range case and a Real Avid AR-15 tool

Not sure which one fits how you shoot? We are a Type 07 FFL and SOT dealer and we will talk you through the differences.

Additional information