This is the complete upper assembly from our popular Superlight rifle. Its tack-driving 16″ pencil profile barrel is machined from 4150 Chrome Moly Vanadium steel with a Melonite QPQ finish inside and out. It is rifled with a 1 x 9” right hand twist and includes an A2 flash suppressor. A 13” Windham Weaponry Aluminum M-LOK Free Float Handguard with a built in QD Mount location completes the assembly. This popular assembly also includes Kriss Polymer Front and Rear Flip Sights. The machined aluminum flat top upper receiver is complete with Bolt Carrier Assembly, Charging Handle, Forward Assist, and Ejection Port Cover. This option is available to buy with or without the Bolt Carrier and Charging Handle.