AirTac Customs AEG/HPA CRBN Upper Size:155mm This is part of Elite

This is part of Elite Force's competition line

With the new unique orange mag level indicator

Chamfer change in the front part for better compatibility with gearbox shells (Mancraft

A QD sling socket on the back allows you to attach a sling to protect your magazine from being accidently dropped

AirTac Customs AEG/HPA CRBN Upper Size:155mm This is part of EliteAEG CRBN Upper: Lifetime Warranty for breakage defects BOTH AEG and HPA Compatible CNC milled Carbon Fiber and ABS Polymer 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) Available in Glossy Black, Matte Black, Red, Blue, Purple, Silver, and Gold tube colors