The M&P15 VTAC II is a collaboration between S&W and Viking Tactics, featuring a VTAC Midwest Industries handguard, VTAC sling, and a Geissele Super Dynamic enhanced trigger. Co-branded with Kyle Lamb's Viking Tactics training company. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 30 Year introduced: 2011, USA Weight: 6.7 oz Overall length: 35" Status: Active Intended use: Tactical, Patrol, Range