The Smith & Wesson M&P 15 Sport III with Crimson Trace Red Dot is a popular factory-bundled modern sporting rifle package designed as an accessible, high-value entry into the AR-15 platform. Compared to previous generations, the Sport III introduces key upgrades-most notably a mid-length gas system for softer shooting and a 15-inch free-floating M-LOK handguard for accessorizing. Core Technical Specifications Caliber: 5.56mm NATO / .223 Remington Barrel: 16-inch 4140 chrome-moly barrel with a 1:8" twist rate and 5R rifling Gas System: Mid-length gas system (improves reliability and reduces felt recoil compared to carbine-length systems) Handguard: 15-inch free-float aluminum handguard featuring M-LOK slots and a full-length top Picatinny rail Optic: Bundled Crimson Trace(R) Red Dot (typically the CTS-106 or CTS-103) featuring a crisp 4 MOA electronic aiming dot VERY GOOD CONDITION ORIGINAL SOFT CARRY CASE TWO 30-RD MAGAZINES INCLUDED