The Daniel Defense M4 V7 S Upper Receiver Group is built around a Cold Hammer Forged 11.5" Government profile barrel and equipped with a DD improved Flash Suppressor to reduce flash signature. It features a carbine length gas system for smooth, reliable cycling under harsh conditions and reduced perceived recoil. The MFR 10.0 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 S Upper Receiver Group has plenty of room for the sights, optics, and accessories the user may require. All Daniel Defense complete upper receiver groups come standard with a bolt carrier group and charging handle.FeaturesMil-Spec Upper Receiver with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat AnodizedChrome Moly Vanadium Stee...