4UAD Magnus Pro VFC/GHK GBBR Hopup Chamber with TDC VSR-10 Great for fast magazine reloads

Great for fast magazine reloads in competition

5mm allen key (not included)

The battery comes with JST plug for engine connection and balance charge plug for charging

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And altough the grip is confirmed to work with G&G style AEG lowers

4UAD Magnus Pro VFC/GHK GBBR Hopup Chamber with TDC VSR-10 Great for fast magazine reloadsFantastic 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