Rock River Arms 16in Mid LTWT CL Barrel Black. 56x45mm NATO 16in Mid LTWT CL Threaded Barrel. Established using several of the most sturdy and long lasting materials available these AR15 Barrels via Rock River Arms provides you with something that will give a great deal of stability. Rock River Arms has been generating top quality merchandise for a number of years and the Rock River Arms 5.56x45mm NATO 16in Mid LTWT CL Threaded Barrel is their particular manner of revealing just how much they are concerned. Right here at OpticsPlanet we make it our responsibility to purchase the perfect solution for your specifications and featuring the Rock River Arms 5.56x45mm NATO 16in Mid LTWT CL Threaded Barrel is one thing that we're pleased to offer. Specifications for Rock River Arms 5.56x45mm NATO 16in Mid LTWT CL Threaded Barrel: Manufacturer: Rock River Arms Color: Black Fabric/Material: Chrome Caliber: 5.56x45mm NATO Barrel Length: 16 in Barrel Profile: Standard Gas System Length: Mid Length Gas Block Journal Size-Diameter: .750 in Threads per Inch: 1/2x28 Barrel Twist Rate: 1-9 Flutes: No Gun Make: Rock River Arms Gun Model: Universal Weight: 26 oz Package Contents: Rock River Arms 5.56x45mm NATO 16in Mid LTWT CL Threaded Barrel What firearm models does the manufacturer say Rock River Arms 5.56x45mm NATO 16in Mid LTWT CL Threaded Barrel is compatible with? The manufacturer says that Rock River Arms 5.56x45mm NATO 16in Mid LTWT CL Threaded Barrel is compatible with UniversalRock River Arms AR0213CL: 16in Mid LTWT CL Barrel Black