4UANTUM Hop-up chamber Magnus Pro for AR VFC/GHK GBBR

Made from CNC Aluminium 6061 series, the hop up chamber Magnus Pro features a true vertical TDC (Top-Dead-Center) movement. Which means regardless of your hop-up setting, the pressure point remains in the same position for consistent results. Revolutionary self-centering tri-lug locking is the most effective design at not only centering the inner barrel but also holding it firmly in place!
CNC bucking sleeve precisely centers the orientation of hop up bucks and keep it in place for lasting accuracy. The adjustment dial is easily access through the ejection port & can be adjusted with any pointed tool without the need for disassembly, allowing efficient & streamlined hop-up tuning.

Remarks:

• GHK AR GBB system : Install without the included spacer
• VFC AR GBB system : Install with the inclde spacer