The Smith & Wesson M&P15 Sport III (S&W part no. 14406) is a 5.56 NATO AR-15 configured for compliance-state sales, pairing a 10-round magazine with a Crimson Trace CTS-106 red dot mounted and ready to use out of the box. Smith & Wesson builds this Sport III with a 4140 steel barrel, a mid-length gas system, and a free-float M-Lok handguard running a full-length Picatinny rail. The threaded barrel and adjustable stock keep the rifle configurable, and this variant is built to meet requirements in Colorado, Hawaii, Rhode Island, and Vermont. It is a ready-to-shoot option for compliance-state shooters who still want a full-featured AR-15.

Key Specifications

• Chambered in .223 Remington/5.56 NATO.
• Barrel length is 16 inches in 4140 steel, with a threaded muzzle.
• Rate of twist is 1:8 inches with 5R rifling.
• The gas system is mid-length for smooth cycling.
• The handguard is a free-float M-Lok design with a full-length Picatinny top rail.
• The stock is a six-position adjustable stock.
• It ships with a Crimson Trace CTS-106 red dot sight pre-installed.
• Magazine capacity is 10 rounds for compliance-state configurations.
• The safety is a thumb selector.
• This configuration is built to meet Colorado, Hawaii, Rhode Island, and Vermont compliance requirements.

Frequently Asked Questions

Why does this model have a 10-round magazine? It is configured to meet compliance-state magazine capacity requirements.

Does it include an optic? Yes, a Crimson Trace CTS-106 red dot ships pre-installed.

Is the barrel threaded? Yes, the 16-inch barrel is threaded for a muzzle device.

Buy the Smith & Wesson M&P15 Sport III 5.56 NATO Rifle, 10-Round, CTS-106 Red Dot

This compliant Sport III is ready for shooters who need it from our AR rifles category. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.