An interesting concept which has amazing results! Instead of the standard tube-style packing, this ‘H’ shaped packing replacement forces the hop rubber into a more natural cup around the BB. So instead of the hop rubber just gripping the top edge of the BB, the ‘H’ packing will grip a much larger surface area and therefore offer more spin and finer adjustment.
| Materiall | Polyacetal |
| Usage | For all HopUp devices |
| Purpose | More spin and finer adjustment |
| Package | 1 pc |
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