Optics-Ready variant of the full M&P15 (non-Sport) line with a chrome-lined 16-inch barrel, A2 front sight post, and a Picatinny rail section integrated into the handguard. Mid-tier positioning above the Sport II OR. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 30 Year introduced: 2019, USA Weight: 6.7 oz Overall length: 35" Status: Active Intended use: Home Defense, Patrol, Range