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

Product Description

The Smith & Wesson M&P15 Sport III 556 is a versatile semi-automatic rifle built for sport shooting and recreational use. This rifle delivers consistent accuracy with its 16-inch barrel and free-float M-LOK handguard. Additionally, it arrives California-compliant with a 10-round magazine and quick-release takedown pin for easy maintenance.

Furthermore, the M&P15 Sport III features a 6-position collapsible stock for shooters of different sizes. The A2 grip provides comfortable control during extended shooting sessions. Therefore, this rifle adapts to your needs and shooting position with minimal adjustment.

California-Compliant Design

This model includes the Juggernaut Tactical Magazine Lock System for full California legal compliance. The 10-round magazine meets state regulations while maintaining reliability. Moreover, the quick-release rear takedown pin simplifies field cleaning and maintenance within state law requirements.

Performance and Customization

The free-float handguard improves accuracy by reducing barrel contact and vibration. Additionally, the M-LOK system allows easy mounting of lights, lasers, and tactical accessories. As a result, you can customize the M&P15 Sport III for your specific sporting needs and preferences.

What’s Included

The M&P15 Sport III arrives ready to shoot with one 10-round magazine and all necessary components. The anodized black finish resists corrosion and wear through years of use. Finally, this rifle represents an excellent entry point into AR-platform shooting for sport and recreational purposes.

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: Is the M&P15 Sport III legal in California?

A: Yes, this rifle includes the Juggernaut Tactical Magazine Lock System for full California compliance. The 10-round magazine capacity meets state regulations. You must follow all local registration and ownership laws in your state.

Q: What ammunition does this Smith & Wesson rifle use?

A: The M&P15 Sport III is chambered in 223 Remington and 5.56 NATO ammunition, which are compatible and widely available. Always verify ammunition compatibility with your specific firearm before purchase.

Q: Can I add accessories and optics to the M&P15 Sport III?

A: Yes, the free-float M-LOK handguard allows mounting of lights, lasers, rail-mounted optics, and tactical accessories. The modular design gives you excellent customization options for sport and recreational shooting.

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