For Sale! Details: Aero Precision M4E1 5.56Nato Semi-Auto Rifle Manufacturer: Aero Precision Model: M4E1 Barrel Length: 18" Total Length: 35 1/2" Action: Semi-Auto Caliber: 5.56 Nato Gun Details: In good condition, Action and trigger are smooth, Safety functions properly, Side charging, Comes with magpul vertical grip, has Toughsoul light (No charger), Does have scuff mark on left side of handguard, Has flat trigger, Has flip up sights. HAs light scratches on right side of receiver,