AirTac Customs x Extreme Airsoft Limited Edition HPA CRBN Upper

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 genuine carbon fiber for strength and durability.

The HPA CRBN Uppers feature dual hopup windows, fiber-optic back sights, perfect fitment, and updated threads. Plus, a reduced price to increase accessibility!

All uppers are cross-compatible, so you can swap your tubes and parts between any of your CRBN uppers! 

Includes Extreme Airsoft Patch!

HPA CRBN Upper:

• 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)

Compatible with:

• Polarstar Fusion Engine (Drop-In)
• F2, Jack, Inferno, N7, Pulsar etc. (Requires CRBN Gearbox)
• G&G polymer (SSG1, ARP9). Metal (ARP556) and Lancer Tactical lowers (drop in fitment)
• Monk Customs and EMG F1 lowers (with modifications)
• MAXX Hopup Chambers (ATPRO, M4P, M4A) and Retro Arms hopup chambers (drop in)
• G&G Stock Hopup, Lancer Tactical Stock Hopup, Prowin Hopup (With modifications)
• AirTac Customs CRBN Gearbox