AirTac Customs Monk HPA CRBN Upper Receiver (Color: Matte Black / 185mm)

Features

• 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)

Want to use an AirTac CRBN Upper on your Monk Customs Lower? Look no further!

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!

Manufacturer: AirTac Customs

Specifications:

Weight: ~100g
Inner Barrel Length (Not Included): 128mm
Threading: 14mm CCW (Counter-Clockwise)
Compatibility:

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 (w/modifications)

AirTac Customs CRBN Gearbox

Package Includes: Upper Receiver, 2x Red Fiber Optic Rods, Green Fiber Optic Rod, Sticker, Storage Bag
Material: Carbon Fiber, ABS Polymer