Aero Precision M4E1 Enhanced in 6.5 Grendel with 18-inch barrel. Enhanced furniture package. Mid-length gas system. Long-range hunting configuration with improved components. Type: Rifle Action: Semi-Auto Caliber: 6.5 Grendel Capacity: 26 Year introduced: 2020, USA Weight: 63.2 oz Overall length: 35.5" Status: Active Intended use: Hunting, Long-Range, Precision