AirTac CRBN Upper for Monk Customs – Lightweight Carbon Fiber Performance

Upgrade your Monk Customs build with the AirTac CRBN Upper, engineered for precision, durability, and seamless compatibility. Crafted from genuine 3K twill carbon fiber, this upper delivers unmatched strength while keeping your setup ultra-lightweight—perfect for competitive play or high-speed engagements.

Key Features & Benefits

✔ Sleek, Reinforced Design – A revamped frame enhances aesthetics and pairs flawlessly with Monk Customs lowers.
✔ Dual Hop-Up Windows – Make quick adjustments mid-game without disassembly.
✔ Fiber Optic Sights – Front and rear sights ensure rapid target acquisition in any lighting.
✔ Perfect Drop-In Fit – Works seamlessly with Maxx hop-up chambers (ATPRO, M4P, M4A) and Monk lowers—no wobble, no gaps.
✔ Cross-Compatible – Swap tubes and parts across all CRBN uppers for effortless customization.

Premium Build Quality

• CNC-milled carbon fiber & ABS polymer threads for long-lasting durability.
• Available in Gloss Black, Matte Black, Red, Blue, Purple, Silver, and Gold—match your style.
• Includes green and red fiber optic rods for personalized visibility.

Wide Compatibility

✅ HPA Systems: Polarstar Fusion Engine (drop-in), F2, Jack, Inferno, N7, Pulsar (requires CRBN gearbox).
✅ Lowers: Monk Customs (perfect fit), G&G (SSG1, ARP9, ARP556), Lancer Tactical (minor gap).
✅ Hop-Up Chambers: MAXX, Retro Arms (drop-in); G&G/Lancer/Prowin (with mods).

Transform your setup into a high-performance beast—lightweight, precise, and built to dominate.