AirTac Customs x MAC Gen 3 Gearbox
Best precision upgrade for airsoft enthusiasts seeking stable, customizable engine performance.
This skeletonized gearbox finally solves the headache of engine compatibility, turning a messy build process into a precise, wobble-free experience. While the aesthetic Cerakote finish is a nice touch, the real value lies in the rigid, universal platform that lets you swap engine systems without compromising on stability.
$99.99
at
US Airsoft
Who it's for
- Competitive speedsoft players needing maximum agility and speed
- Players wanting a durable, custom-styled build
- HPA users seeking seamless engine alignment and installation
Who should skip it
- Budget-conscious players looking for affordable replacement parts
- AEG users who need to retain standard internal components
- Players operating in extremely dusty or outdoor environments
Performance breakdown
Structural Rigidity
Machine-milled construction provides a rock-solid foundation for high-stress HPA builds.
Engine Compatibility
Universal V2 design bridges the gap between diverse engine and receiver platforms.
Weight Optimization
Skeletonized frame sheds unnecessary mass without sacrificing critical structural integrity.
Stability Control
Dual tensioning grub screws effectively eliminate engine wobble for consistent shot placement.
Aesthetic Customization
Cerakote finish options offer professional-grade durability alongside personalized visual flair.
Installation Completeness
Includes all necessary spacers and hardware for a seamless, out-of-box assembly.
Key Specs
Skeletonized Lightweight Design
7 Brand New Cerakote Colors
Machine milled to perfection
Included Gate Pulsar Spacers
Included Trigger Board Screw
Upgraded Dual Tensioning grub screws to eliminate engine wobble
Gearbox screws for both halves
Allows compatibility of a CRBN Upper with any drop-in HPA engine
Compatible with
G&G-style V2 Lowers (SSG1, ARP9, SSG556, etc)
Compatible with
Any other V2 lower, upper, and grip
Know before you buy
Still have a question?
Ask Metto anything about the AirTac Customs x MAC Gen 3 Gearbox before you decide.