4UAD Magnus Pro VFC/GHK GBBR Hopup Chamber with TDC mws increasing consistency across weight changes

increasing consistency across weight changes and hopup setting

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It includes a manometer on the side to help show your current output pressure

Introducing the Gen 4 HPA CRBN Uppers - a new level of durability

"Low" and "Very Low

4UAD Magnus Pro VFC/GHK GBBR Hopup Chamber with TDC mws increasing consistency across weight changesFantastic craftsmanship and cool looking design. This new hop up chamber from 4UAD in Taiwan is a great upgrade for your VFC or GHK M4 GBBR. The anodized gold colors are visible when retracting the bolt, making sure to turn heads on the field, as well as hit heads with it's price TDC hop up adjustment system. The Top dead center TDC adjustment system guarantees that the hopup nub is always centered during adjustment, increasing consistency across