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AirTac Customs HPA CRBN Upper

AirTac Customs HPA CRBN Upper

Regular price £120.00 GBP
Regular price Sale price £120.00 GBP
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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! 

This AirTac Customs HPA CRBN Upper Includes:

HPA CRBN Upper:

  • Lifetime Warranty for breakage / defects
  • 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

Compatible with:

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