4UAD 4uantum Magnus Pro Precision TDC Hop-Up Chamber Set (Knob Adjustment)

Key Features

• Performance Enhanced: Maximizes accuracy and consistency for high-quality shots.
• True Top-Dead-Centre (TDC) Adjustments: Precision TDC for consistent and reliable hop-up settings.
• Centre Locking System: The patented Centre Lock System ensures the inner barrel is properly aligned, reducing wobble and enhancing consistency.
• Bucking Shroud: Helps stabilize output velocity while maintaining proper centering of the hop-up, ensuring optimal performance.
• Quick Hop-Up Adjustment: Easily adjust hop-up via the rear dial, which can be accessed with a 1.5mm Allen key or similar tool, no need for disassembly.
• High-Quality Construction: CNC-machined from 6061 aluminum for durable and lightweight performance with precision engineering.

Compatibility

• Requires inner barrel and hop-up bucking (not included)
• Recommended to use 4UAD 4UANTUM Friction Pro Hop-Up Bucking (GBB Spec.)
• Compatible with VFC AR / M4 v2 and v3 GBB series
• Compatible with GHK AR / M4 v3 GBB series
• Compatible with M4s featuring adjustable knob hop-up systems (M733, XM177E2, M16A1, M16A2, M727 GBB series)
• Compatible with GHK M4s with v3 feed nozzle/bolt group (M4, Mk 18, URG-I, DD PDW)
• Not compatible with VFC / Umarex (Elite Force) HK416 GBB series

What’s Included

• 1 x 4UANTUM Magnus Pro Precision TDC Hop Up Chamber Set (Knob Adjustment) for VFC and GHK AR / M4s
• 1 x Bucking Shroud
• 1 x Single Contact / Dual Contact Control Ring Nub

Additional Notes

• Designed for enhanced hop-up performance in both VFC and GHK AR/M4 series gas blowback rifles.
• Ensures consistent shot placement and increased accuracy by reducing hop-up wobble.