The Daniel Defense M4 V7 Upper Receiver Group is built around a Cold Hammer Forged 16" Government profile barrel. It features a mid-length gas system for smooth, reliable cycling and reduced wear on moving parts. A free-floating MFR 15.0 handguard offers incredible weight savings as well as superior cooling, ergonomics, and modularity while maintaining the strength and durability expected from Daniel Defense. With the M-LOK attachment points that run along 7 positions and an uninterrupted 1913 Picatinny rail on top, the V7 Upper Receiver Group has plenty of room for the sights, optics, and accessories the user may require. FeaturesMidwayUSA ExclusiveMil-Spec Upper Receiver with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat AnodizedChrome Moly Vanadium Steel Barrel, Cold Hammer Forged, 1:7 Twist, 16a ^2 Government Profile, Mid-length Gas System, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI TestedPinned Low Profile Gas Blo...