KA Tech MAC Polarstar Gold QCU HPA M4
Up to 45 business days
Built for players who want the best in performance, speed, and style, the KA Tech x Gorilla x MAC QCU Build is a premium HPA platform engineered for serious competitive play. Featuring the MAC Airsoft x Gorilla Airsoft Quick Carbon Upper, this build delivers lightweight carbon construction, fast access to key components, and on-the-fly adjustability that gives you a real edge when every shot counts.
This is not a standard carbon upper build. The QCU is designed to give players a cleaner, faster, and more serviceable setup with premium installed parts throughout. Paired with your choice of a PolarStar F2 or Jack, this platform is built for sharp trigger response, consistent performance, and high-end reliability straight out of the box.
Every detail of this build is chosen to balance form, function, and competitive performance. With multiple barrel length options, premium hop-up components, and a layout made for customization, this build is ready to match your playstyle while standing out on the field.
Features
- MAC Airsoft x Gorilla Airsoft Quick Carbon Upper
- Choice of PolarStar F2 or PolarStar Jack
- Lightweight, high-performance HPA speedsoft platform
- Designed for fast tuning, easy access, and premium performance
- Built with top-end components for reliability, responsiveness, and consistency
- Compatible with M4-style magazines
- Available with 141mm or 165mm inner barrel
Included Build Parts
- MAC Airsoft x Gorilla Airsoft QCU Kit (Quick Carbon Upper)
- PolarStar F2 or Jack HPA Engine installed
- Wolverine Storm CAT5 or Modified PolarStar MR2 Regulator installed
- 141mm or 165mm inner barrel
- Maple Leaf Super Macaron 60 Degree bucking
- Nub installed
- Red and Green Fiber Optic Set
- MAC x Gorilla MSG Euro Grip
- SPEED Airsoft Trigger installed
Specifications
- Inner Barrel Length: 141mm or 165mm
- Barrel Thread Spec: Custom adapter for tracer use
- Magazine: M4 Style Magazines (not included)
- HPA Engine Options: PolarStar F2 or Jack
- Firing Modes: Semi / Full-Auto
- Battery: HPA 7.4v Mini LiPo (not included)
Optional Add-Ons
- Tracer (not included)
- Magazine (not included)
Important Notes
- Magazine not included
- Battery not included
- Tracer not included
- Barrel uses a custom tracer adapter
- Build components may vary slightly based on selected configuration and availability
- Rifles are made to order and may take up to 45 working days to be built