This is a Colt Defense M4 Carbine chambered in 5.56 Nato, model 6920. Model: LE6920 Carbine Type: Rifle: Semi-Auto Caliber: 5.56 NATO|223 Finish: Matte Black Action: Semi-Automatic Stock: 4 Position Telescoping Sight: FT: Adjustable Post RR: Magpul MBUS Barrel Length: 16.1 Overall Length: 32 to 35 Weight: 6.95 lbs Capacity: 30+1 # of Mags: 1 Safety: Manual Safety Receiver: Black Matte Anodized Flat Top Muzzle: Bird Cage Flash Hider Features: Front Barrel Lug, Ejection Port Cover; Cartridge Case Deflector
