AirTac Customs AEG/HPA CRBN Upper Size:185mm and to prevent damage to

and to prevent damage to electronic switches on controller boards

With professional military & law enforcement training in mind

also re-engineered the hopup levers and concave nubs to work best with R-hop

Traditional GLOCK sights

This is a Tamiya style connector

AirTac Customs AEG/HPA CRBN Upper Size:185mm and to prevent damage toAEG 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