Rock River Arms 16in CAR CM Barrel Black. 56x45mm NATO 16in CAR CM Threaded Barrel. These AR15 Barrels through the professional product experts at Rock River Arms are fashioned using long lasting and dependable materials as a way to provide you with a product that will be beneficial for countless years. Manufactured utilizing some of the most useful attainable components and design these unique AR15 Barrels through the product professionals at Rock River Arms will last you an exceptionally lengthy time. Rock River Arms has been developing superior quality products for a very long time and the Rock River Arms 5.56x45mm NATO 16in CAR CM Threaded Barrel is their very own way of revealing how much they care. Right here at OpticsPlanet we ensure that it is our responsibility to receive the perfect solution for all of your requirements and exhibiting the Rock River Arms 5.56x45mm NATO 16in CAR CM Threaded Barrel is a thing that we are pleased to offer. Specifications for Rock River Arms 5.56x45mm NATO 16in CAR CM Threaded Barrel: Manufacturer: Rock River Arms Color: Black Fabric/Material: Chrome Moly Caliber: 5.56x45mm NATO Barrel Length: 16 in Barrel Profile: Standard Gas System Length: Carbine Length Gas Block Journal Size-Diameter: .750 in Threads per Inch: 1/2x28 Barrel Twist Rate: 1-8 Flutes: No Gun Make: Rock River Arms Gun Model: Universal Weight: 35 oz Package Contents: Rock River Arms 5.56x45mm NATO 16in CAR CM Threaded Barrel What firearm models does the manufacturer say Rock River Arms 5.56x45mm NATO 16in CAR CM Threaded Barrel is compatible with? The manufacturer suggests that Rock River Arms 5.56x45mm NATO 16in CAR CM Threaded Barrel is compatible with UniversalRock River Arms AR0200: 16in CAR CM Barrel Black