CRBN Uppers are a sleek way to turn any build into a lightweight beast. These scratch and dent units have cosmetic damage, so we're offering them at a discount!
These uppers include modern reinforced frames as well as 3 red and green fiber optic rods.
Compatible with:
- Polarstar Fusion Engine (Drop-In)
- F2, Jack, Inferno, N7, Pulsar etc.
- G&G polymer (SSG1, ARP9). Metal (ARP556) and Lancer Tactical lowers (drop in fitment)
- Monk Customs and EMG F1 lowers
- 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