AirTac Customs x SpeedQB ALU CRBN Gen 2 Upper (Tracer Bundle)

A vision brought to life by AirTac Customs and SpeedQB®, the ALU CRBN Upper is a durable, functional, and stylish upper receiver for your V2 HPA builds. We've upgraded all the 3D-printed parts with black anodized aluminum for a beautiful finish and unmatched durability. We've also added fiber-optic front and rear sights for faster target acquisition. All uppers are cross-compatible, so you can swap your tubes and parts between any of your CRBN Gen 2 uppers!   This ALU CRBN Gen 2 Upper (Tracer Bundle) includes: ALU CRBN Gen 2 Upper (Tracer Bundle): CNC Machined 6061 Aluminum Black Anodized  8 modular pieces for custom color schemes Genuine Lightweight Carbon Fiber (Gloss or Matte Black) Fiber Optic Sights (Green and Red) Polishing cloth SpeedQB® x Acetech Brighter C Tracer with Black Tip Compatible with: Polarstar Fusion Engine (Drop In) Any V2-compatible HPA engine (F2, Jack, Inferno, N7, etc.) (Requires CRBN Gearbox) Designed for G&G polymer lower receivers (SSG1, ARP9). Fit