This new upper offers PWS quality and accuracy at a price point that is far more accessible to a wider range of the market. The Flash Suppressing Compensator (FSC) series of muzzle devices from PWS provides superior compensation characteristics combined with enough flash suppression to keep the flash out of your optics and line of sight. Designed for both competitive and tactical use, the FSC series allows for superior muzzle stabilization and aids the shooter in faster follow up shots and accuracy. The unique port design of the FSC series yields muzzle control that meets or exceeds the performance of the best muzzle brakes on the market without the teeth rattling overpressure indicative of other brakes and compensators. All of the FSC Series muzzle devices have been classified as a non-flash suppressing device by the BATFE, thus removing any restriction from assault weapon ban states or provinces. This device was also designed to accommodate suppressors such as the Gemtech HALO and therefore comes with a peel washer.Barrel Specs: QPQ Isonited 4140 Chromoly 1.8 TwistReceiver: Mil-spec A3 Forged. PWS logo on receiver and forearm.Upper: Keymod interface, Free float 15" handgaurd, picatinny top rail.Gas: Carbine length gas systemWarranty: PWS Factory warranty is 2 yearsCharging handle and BCG are NOT INCLUDED.