The SIG MCX Patrol is the value-oriented MCX model designed for law enforcement patrol use. It uses the same short-stroke piston system as the Virtus with a simplified handguard and reduced feature set to achieve a more accessible price point for agency procurement. Type: Semi-Auto Rifle Action: Short Stroke Piston Caliber: 5.56x45mm Capacity: 30 Year introduced: 2020, USA Weight: 7 oz Overall length: 32" Status: Active Intended use: Duty, Home Defense, Range