Di 5.56mm blk 16.1″ 30+1 m-lok., Direct impingement., Caliber: 223 Rem | 5.56 NATO, Barrel: 16.1″, Capacity: 30 + 1, Finish: Black Hard Coat Anodized, StockFrameGrips: Collapsible / Folding Stock LWRC Compact Adjustable Stock, Magazine: 1 30 rd.