4UAD SmartAirsoft 4UANTUM Friction Pro High-Performance Hop-Up Bucking (GBB / VSR)
The 4UAD SmartAirsoft 4UANTUM Friction Pro Hop-Up Bucking is a precision internal upgrade designed for gas blowback rifles and VSR style sniper platforms. Engineered to improve shot to shot consistency, this bucking focuses on creating a stable, centered spin axis for more predictable BB flight. Its optimized contact patch supports the use of heavier BB weights while minimizing excess friction that can cause inconsistencies. This makes it an effective upgrade for players prioritizing accuracy and range over raw velocity.
Features:
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GBB & VSR Compatibility – Designed to work with most gas blowback rifles and VSR style hop-up systems.
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Centered Spin Geometry – Helps maintain a balanced spin axis for improved accuracy and tighter groupings.
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Heavy BB Optimization – Contact patch profile supports heavier BBs up to approximately 0.48 g.
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Reduced Friction Design – Limits unnecessary drag to improve consistency and repeatability.
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Precision Molded Rubber – Maintains reliable sealing and stable hop performance across a wide range of setups.
| Feature | Details |
|---|---|
| Manufacturer | 4UAD SmartAirsoft |
| Compatibility | GBB rifles, VSR style hop-up systems |
| Material | Rubber |
| BB Weight Support | Up to ~0.48 g |
| Use Case | Accuracy and consistency upgrade |
| Package Includes | Hop-Up Bucking |
The 4UANTUM Friction Pro bucking is a focused upgrade for gas and sniper platforms where precision matters most. Its balanced design makes it well suited for long range and controlled engagement setups that demand consistent hop performance.
