Upper & Lower Receivers

Ever wanted to use a CRBN Upper on an AEG gearbox? Now you can! The new AirTac Customs AEG CRBN Upper receiver is made with genuine carbon fiber fo...

Want to use an AirTac CRBN Upper on your Monk Customs Lower? Look no further! CRBN Uppers are a sleek way to turn any Monk Customs build into a lig...

The new Limited Edition Extreme Airsoft & AirTac Customs AEG CRBN Upper receiver is made with genuine carbon fiber for strength and fits over A...

The new Limited Edition Extreme Airsoft & AirTac Customs HPA CRBN Uppers are a sleek way to turn any build into a lightweight beast, made with ...

Introducing the ALU Tube AEG Uppers - a new anodized style! We wanted to mix up our CRBN uppers in a crazy way - removing the carbon fiber entirely...

Introducing the ALU Tube HPA Uppers - a new anodized style! We wanted to mix up our CRBN uppers in a crazy way - removing the carbon fiber entirely...