Rock River Arms AR-15 A4 Upper Receiver Assembly 9mm Luger 16" Chrome Moly Barrel 6" Handguard Black

Rock River Arms Completed Upper Receiver Carbine A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black. . These AR15 Upper Receivers through the professional product experts at Rock River Arms are designed using heavy duty and efficient components to be able to supply you with a product that is going to be powerful for many years. Manufactured using some of the very best available substances and design these special AR15 Upper Receivers through the product specialists at Rock River Arms will last an incredibly long time. Rock River Arms has been making high quality merchandise for a number of years and the Rock River Arms Carbine A4 9MM Luger Completed Upper is their way of revealing just how much they are concerned. Here at OpticsPlanet we make it our obligation to obtain the perfect product for all your specifications and showcasing the Rock River Arms Carbine A4 9MM Luger Completed Upper is one thing that we're delighted to offer. Specifications for Rock River Arms Carbine A4 9MM Luger Completed Upper: Manufacturer: Rock River Arms Caliber: 9mm Luger Overall Length: 24 in Barrel Length: 16 in Barrel Profile: Carbine Gas System Length: Pistol Length Barrel Twist Rate: 1-10 Threads per Inch: 1/2x36 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: 6 in Gun Rail: Full Top Rail Included Accessories: None Barrel Material: Chrome Moly Bolt Carrier Group Included: COM-SPEC Charging Handle Included: COM-SPEC Weight: 5 lb Magazine Included: No Package Contents: Rock River Arms Carbine A4 9MM Luger Completed Upper Bolt Carrier Group Charging Handle Assembly Rock River Arms 9MM0328B: Completed Upper Receiver Carbine A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black