PDI rubbers have two ribs for improved air seal. The design has two nubs with a channel in between, which helps center the BB in the barrel for more consistent hop application.
This hop up will work in most Tokyo Marui gas blowback guns. Fits MP7, Detonics, Sig P226, G series, 1911, HiCapa (including xtreme), MEU, FN57, G18c, Warrior series, PX4, and more! Will not fit in the Desert Eagle. Will work in KJW clones.
From PDI:
PDI W Hold Hop Up Chamber Packing for VSR-10.
High quality, made in Japan.
You can get powerful shot good accuracy easily.
The most famous rubber packing called "PDI-W hold chamber packing" is released for VSR-10 & HI-CAPA or other Marui Pistol! This is not hard so available to all season getting easy setting.
Material: nitrile rubber
