Want to use an AirTac CRBN Upper on your Monk Customs Lower? Look no further!
Note: Orders of CRBN Uppers are on preorder and will ship late April.
CRBN Uppers are a sleek way to turn any Monk Customs build into a lightweight beast, made with genuine carbon fiber for strength and durability.
The Monk Upper features dual hopup windows, fiber-optic back sights, perfect fitment, and updated threads. Plus, a revamped design to match the aesthetics of Monk!
All uppers are cross-compatible, so you can swap your tubes and parts between any of your CRBN uppers!
Note: Dealer orders of CRBN Uppers will ship early May.
This AirTac Monk HPA CRBN Upper Features:
AirTac Monk HPA CRBN Upper:
- Revamped framed design for a sleek new look, compatible with Monk Customs Lowers
- CNC milled Carbon Fiber and ABS Polymer Threads and Sights
- Genuine 3K Twill 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 Monk lower with a Maxx hopup
- Included Fiber Optics Rods (Green and Red)
- Available in Gloss 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). Metal (ARP556) and Lancer Tactical lowers (drop in fitment, has a gap)
- Monk Customs lowers (drop in fitment)
- 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