The Smith & Wesson M&P15 Sport II is the entry-level AR-15 from S&W and consistently one of the best-selling AR-15s in the US market. It uses a mil-spec direct impingement action, a 16-inch 1:8 twist barrel, forward assist, dust cover, and an A2 front sight in a no-frills package at an accessible price. S&W manufactures in Springfield, Massachusetts. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2013, USA Weight: 96 oz Overall length: 35" Status: Active Intended use: sporting, home_defense, law_enforcement