Db15 5.56 blk 16″ m-lok 15″., 15″ m-lok rail., Caliber: 223 Rem | 5.56 NATO, Barrel: 16″, Capacity: 30 + 1, Finish: Black Anodize Hardcoat, Receiver: Forged 7075 T-6 Aluminum, Sights: No Sights, StockFrameGrips: Collapsible / Folding Stock Magpul MOE Carbine Stock, Magazine: 1 Gen 2 PMAG