Optics-Ready variant of the M&P15 Sport II with a 4-inch Picatinny rail section at the 12 o'clock position on the handguard for direct red-dot mounting without a riser. Mechanically identical to the standard Sport II. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 30 Year introduced: 2018, USA Weight: 6.5 oz Overall length: 35" Status: Active Intended use: Home Defense, Range