Upper & Lower Receivers

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...

The LA Innovations Prism Aluminum Upper + Tensioner is the ultimate upgrade for competitive airsoft. We engineered this upper to be both lig...