Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel with Gas Block

Rock River Arms Completed Upper Receiver .223/5.56mm 16 Inch Barrel Carbine Profile 1/2-28 Thread Car Handguard A2 Flash Hide w/Gas Block Black. 223/5.56mm Completed Upper w/Gas Block. These AR15 Upper Receivers from the professional product professionals at Rock River Arms are fashioned using dependable and dependable resources as a way to provide you with a product that is going to be useful for many years. Designed utilizing some of the best accessible substances and design these particular AR15 Upper Receivers from the product professionals at Rock River Arms can last an unbelievably long time. Rock River Arms has been making superior quality merchandise for a very long time and the Rock River Arms Carbine .223/5.56mm Completed Upper w/Gas Block is their particular way of demonstrating exactly how much they care. At OpticsPlanet we ensure that it is our responsibility to get the best product for all of your requirements and exhibiting the Rock River Arms Carbine .223/5.56mm Completed Upper w/Gas Block is one thing that we are pleased to offer. Specifications for Rock River Arms Carbine .223/5.56mm Completed Upper w/Gas Block: Manufacturer: Rock River Arms Caliber: 5.56mm .223 Wylde Overall Length: 24 in Barrel Length: 16 in Barrel Profile: Carbine 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 Gas Block Journal Size-Diameter: .750 in Handguard Length: 6 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: 4.4 lb Magazine Included: No Package Contents: Rock River Arms Carbine .223/5.56mm Completed Upper w/Gas Block Bolt Carrier Group Charging Handle Assembly Rock River Arms AR0328B: Completed Upper Receiver .223/5.56mm 16 Inch Barrel Carbine Profile 1/2-28 Thread Car Handguard A2 Flash Hide w/Gas Block Black