FAXON Ion Ultralight Complete Upper Receiver 5.56 16"
AR-15 Accessory: Y Made In The USA: Made In The USA Other FEATURES:: Pencil Barrel W/Integral 3 Port Break Forged Upper Receiver 13" Carbon Fiber M-LOK Handguard Other FEATURES2:: FAXON Gunner Lightweight Bolt Carrier Group Adjustable Gas Block AMBI Charging Handle Weight 3.1 Lbs. Caliber: .223/5.56 Nato Barrel Length In INCHES: 16 Rate Of Twist: N/A Barrel Material: Steel Barrel Finish: Nitride