Rock River Arms Operator ETR .308 16" Completed Upper Receiver 1-10 Twist Mid-Length Free-Float

Rock River Arms Completed Upper Receiver Operator ETR .308/7.62x51mm 16 Inch Barrel 1-10 Twist Mid-Length Profile 5/8-24 Threat Free-Float Handguard. 308/7.62X51mm Completed Upper. Developed using some of the most extremely robust and dependable substances in existence these AR15 Upper Receivers by Rock River Arms will provide you with a product that will give years of consistency. Rock River Arms has been developing high-quality products for a number of years and the Rock River Arms Operator ETR .308/7.62X51mm Completed Upper is their manner of revealing exactly how much they are concerned. At OpticsPlanet we make it our obligation to obtain the best solution for all your specifications and presenting the Rock River Arms Operator ETR .308/7.62X51mm Completed Upper is one thing that we are happy to offer. Specifications for Rock River Arms Operator ETR .308/7.62X51mm Completed Upper: Manufacturer: Rock River Arms Caliber: .308 Winchester 7.62x51mm NATO Overall Length: 24 in Barrel Length: 16 in Barrel Profile: Standard Gas System Length: Mid Length Barrel Twist Rate: 1-10 Firearms Threads Per Inch: 5/8x24 Handguard Type: Free-Float Muzzle Device: A2 Flash Hider Finish: Anodized Color: Black Fabric/Material: Billet A4 Gas Block Journal Size-Diameter: .750 in Handguard Length: 13 in Handguard Style: Quad Rail Gun Rail: Full Top Rail Barrel Material: Chrome Moly Weight: 5.85 lb Bolt Carrier Group Included: COM-SPEC Charging Handle Included: COM-SPEC Magazine Included: No Included Accessories: None Mount Type: M-LOK Package Contents: Rock River Arms Operator ETR .308/7.62X51mm Completed Upper Bolt Carrier Group Charging Handle Assembly Extended Charge Handle Latch 5-Slot Picatinny Rail Quick Disconnect Port Rock River Arms OP0500BT: Completed Upper Receiver Operator ETR .308/7.62x51mm 16 Inch Barrel 1-10 Twist Mid-Length Profile 5/8-24 Threat Free-Float Handguard A2 Flash Hider Black