The Daniel Defense M4 Carbine V11, based on the popular V9 series, was designed for shooters who prefer the benefits of the KeyMod system integrated with a SLiM Rail (Slim Lightweight Modular). The CNC machined 6061-T6 aluminum SLiM Rail 15.0 offers incredible weight savings as well as superior cooling, ergonomics, and modularity. The upper and lower receivers are CNC machined of 7075-T6 aluminum with a hard coat anodized finish. The DDM4V11 is equipped with a free-floating, cold hammer forged, Government profile barrel and rugged and comfortable Daniel Defense buttstock and pistol grip with Soft touch overmolding. This model has a 16" chrome moly vanadium steel barrel with a heavy phosphate coating, flash suppressor, and is chrome lined. It also has a brown metal and stock finish.