The Aero Precision M5E1 in 6.5 Creedmoor with a 20-inch barrel delivers maximum velocity from the long-range cartridge in an AR-10-sized platform. It uses the M5E1 enhanced upper receiver and is a popular base for long-range precision rifle builds. Type: Semi-Auto Rifle Action: Direct Impingement Caliber: 6.5 Creedmoor Capacity: 20 Year introduced: 2018, USA Weight: 9.8 oz Overall length: 40" Status: Active Intended use: Precision, Range, Competition