The Daniel Defense DDM4V4 Short Barrel Rifle is based on a configuration of the Daniel Defesne M4 that has been popular with law enforcement agencies across the United States. The DDM4V4 is built on a carbine length direct impingement gas system with an 11.5" barrel. The rifle features a 10" quad rail with heat resistant rail panels and a vertical forward grip. The pistol grip of DDM4V11 rifle is a proprietary Daniel Defense design with soft touch over molding and the 6-position buttstock features the same soft touch over molding at contact areas. Features of the Daniel Defense DDM43V4 Short Barreled RifleFree-Floated Cold Hammer Forged Barrel for long term durability and superior accuracyFull Length Top Rail for mounting optics of almost all sizesAmbidextrous Safety Selector Switch for left and right handed shooters Daniel Defense DDM4 V4 S 5.56 NATO 11.5" 1:7" SBR Black Rifle (No Mag) 02-088-11034-067