Smith & Wesson M&P15 Sport III 5.56 NATO

The M&P15 Sport III from Smith & Wesson is built as a modern sporting rifle platform optimized for range use, sport shooting, and general utility. Its configuration balances modularity with a compliant magazine setup for jurisdictions requiring reduced capacity.

Constructed with a 7075-T6 aluminum receiver and a 16-inch 5R-rifled barrel finished in Armornite, the rifle offers a durable, lightweight foundation for accessories and optics. The Sport III ships with a free-floating 15-inch M-LOK handguard, full-length Picatinny top rail, and a synthetic stock and grip for consistent handling.

Key Specifications

• The caliber is .223 Rem / 5.56 NATO.
• The barrel length is 16 inches.
• The action is Semi-Automatic.
• The handguard is a 15-inch free-floating M-LOK.
• The gas system is a mid-length.
• The rifling is 1:8" 5R.
• The barrel material is 4140 steel with Armornite finish.
• The receiver is 7075-T6 aluminum.
• The magazine capacity is 10 rounds.
• The rifle is installed with a Juggernaut Tactical magazine lock.

With its combination of a free-floating M-LOK rail, 5R rifling, and a robust parts set, the Smith & Wesson M&P15 Sport III delivers a flexible platform for shooters who want a configurable modern sporting rifle. Buy the Smith & Wesson M&P15 Sport III 5.56 NATO online today for a reliable, accessory-ready rifle option.