The 4UANTUM MAGNUS PRO Precision AR Hop-Up Chamber is a premium upgrade built for GHK and VFC AR-style GBBR platforms, delivering enhanced accuracy, tighter air seal, and superior hop-up consistency. Designed with input from competitive shooters and gas blowback enthusiasts, this hop-up chamber is optimized for high-performance gas rifles and supports a wide range of aftermarket buckings and inner barrels.
Machined from high-grade aluminum alloy, the MAGNUS PRO features tight tolerances, stable barrel alignment, and precise hop control for long-range consistency and performance. Whether you’re building for competition, milsim, or precision play, this chamber provides the stability and adjustability required for professional-level tuning.
Features
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Compatible with GHK and VFC AR-style GBBR rifles
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CNC-machined from high-strength aluminum alloy
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Tight air seal and improved BB trajectory
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Compatible with most GBB-spec inner barrels and GBB buckings
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Precision hop-up adjustment dial for consistent tuning
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Reinforced structure for gas rifle recoil and vibration
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Sleek black anodized finish with engraved markings
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Developed by 4UAD SmartAirsoft
Specifications
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Compatibility: GHK / VFC AR GBBR platforms
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Material: CNC Aluminum Alloy
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Finish: Anodized (Black)
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Fitment: Drop-in (minor fitting may be required depending on rifle model)
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Brand: 4UAD SmartAirsoft
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Origin: Taiwan
What’s Included
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1x 4UANTUM MAGNUS PRO Hop-Up Chamber
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Adjustment hardware
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Instruction manual (if applicable)
Important Notes
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For use with GBBR only (GHK / VFC platform)
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Recommended for users familiar with GBB tuning
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Ensure compatibility with your inner barrel and bucking choice
Disclaimer
⚠️ Airsoft part only. Not for real firearms. Installation by experienced technicians is recommended.
