Rock River Arms LR-308 Upper Receiver Assembly 308 Winchester, 7.62x51mm NATO 18" Stainless Steel Barrel 17" M-LOK Handguard Black

Rock River Arms Completed Upper Receiver X-1 .308/7.62x51mm 18 Inch Barrel 1-10 Twist 5/8-24 Threat Free-Float Handguard Brake Black. 308/7.62X51mm Completed Upper was developed in order to be the best item for any person looking for a top quality selection.. Formulated working with several of the most sturdy and long lasting materials available these AR15 Upper Receivers through Rock River Arms will provide you with something that will give you years of dependability. Rock River Arms has been developing high-quality products for a very long time and the Rock River Arms X-1 .308/7.62X51mm Completed Upper is their very own approach to demonstrating how much they care. At OpticsPlanet we make it our responsibility to get the most suitable product for your requirements and presenting the Rock River Arms X-1 .308/7.62X51mm Completed Upper is one thing that we are happy to offer. Specifications for Rock River Arms X-1 .308/7.62X51mm Completed Upper: Manufacturer: Rock River Arms Caliber: 7.62x51mm NATO .308 Winchester Overall Length: 26 in Barrel Length: 18 in Barrel Profile: Heavy Gas System Length: Mid Length Barrel Twist Rate: 1-10 Threads per Inch: 5/8x24 Handguard Type: Free-Float Muzzle Device: Brake Finish: Anadized Gas Block Journal Size-Diameter: .875 in Handguard Length: 17 in Gun Rail: Full Top Rail Weight: 7.17 lb Condition: New Barrel Material: 416R Stainless Steel Bolt Carrier Group Included: COM-SPEC Magazine Included: No Mount Type: M-LOK Package Contents: Rock River Arms X-1 .308/7.62X51mm Completed Upper Bolt Carrier Group Charging Handle Assembly Rock River Arms X308A0700B.V1: Completed Upper Receiver X-1 .308/7.62x51mm 18 Inch Barrel 1-10 Twist 5/8-24 Threat Free-Float Handguard Brake Black