Details: This is a nitrile rubber PDI bucking which is compatible with VSR-10's and Marui Pistols.
This bucking has outer ribs which improve the seal and provide optimal fitment with the Hop-Up chamber.
The nub on the inside of the bucking is separated, which allows for better BB contact.
This bucking has outer ribs which improve the seal and provide optimal fitment with the Hop-Up chamber.
The nub on the inside of the bucking is separated, which allows for better BB contact.
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