Rock River Arms Completed Upper Receiver Left Handed RAGE 2G .223/5.56mm 10.5 Inch Barrel Pistol Profile 1/2-28 Thread Free-Float Handguard A2 Flash. 223/5.56mm Completed Upper was created to function as the best item for any person trying to find a high quality choice.. These AR15 Upper Receivers from the skilled product experts at Rock River Arms are designed by using long lasting and reliable resources in order to provide you with product that is going to be effective for countless years. Manufactured using some of the best accessible substances and engineering these unique AR15 Upper Receivers from the product experts at Rock River Arms will last you an unbelievably lengthy time. Rock River Arms has been developing top quality merchandise for a number of years and the Rock River Arms Left Handed RRAGE 2G .223/5.56mm Completed Upper is their manner of revealing just how much they are concerned. Here at OpticsPlanet we ensure that it is our responsibility to purchase the perfect solution for all your needs and featuring the Rock River Arms Left Handed RRAGE 2G .223/5.56mm Completed Upper is a thing that we're pleased to offer. Specifications for Rock River Arms Left Handed RRAGE 2G .223/5.56mm Completed Upper: Manufacturer: Rock River Arms Caliber: .223 Wylde 5.56x45mm NATO Barrel Profile: Standard Gas System Length: Carbine Length Barrel Twist Rate: 1-9 Threads per Inch: 1/2x28 Handguard Type: Free-Float Muzzle Device: A2 Flash Hider Finish: Anodized Color: Black Fabric/Material: Aluminum Gas Block Journal Size-Diameter: .750 in Handguard Length: 9.5 in Handguard Style: Quad Rail Gun Rail: Full Top Rail Included Accessories: None Barrel Material: Chrome Moly Bolt Carrier Group Included: COM-SPEC Charging Handle Included: COM-SPEC Weight: 4.1 lb Magazine Included: No Mount Type: M-LOK Package Contents: Rock River Arms Left Handed RRAGE 2G .223/5.56mm Completed Upper Bolt Carrier Group Charging Handle Assembly Rock River Arms LH0445: Completed Upper Receiver Left Handed RAGE 2G .223/5.56mm 10.5 Inch Barrel Pistol Profile 1/2-28 Thread Free-Float Handguard A2 Flash Hider Black