AirTac Customs GEN 4 HPA CRBN Upper -185mm Silver

AirTac Customs GEN 4 HPA CRBN Upper – 185mm Gloss black Lifetime Warranty for breakage / defects CNC machined 6061 Aluminum Front Thread CNC machined 6061 Aluminum Front Sight 40% Stronger Nylon Frame Genuine Carbon Fiber tube Fiber optic front and rear sights for fast target acquisition Dual hopup windows for on-the-fly adjustments Perfected drop-in fitment on a G&G lower with a Maxx hopup Included Fiber Optics Rods (Green and Red) Gel Blaster use only