This is a Sig Sauer Rifle: Semi-Auto known as the SIGM400 chambered in 5.56 NATO, model # 798681597765, UPC 798681597765
Model Series: SIGM400
Gun Type: Rifle: Semi-Auto
Caliber: 5.56 NATO
Action: Semi Automatic
Capacity: 30+1
Finish: Anodized Black
Stock: Magpul SL-K 6 position Telescoping Stock
Sights: No Sights
Barrel Length: 16
Overall Length: 30.8
Features: Mid-Length Gas System