PDI W-hold Hopup Bucking AEG (50° / 70°) Tokyo Marui (TM) Flat top railed upper receiver

Flat top railed upper receiver for optics

Battery Location: Rear wired in a buffer tube

HI-CAPA is all time flavor for Marui fans

This face mesh is lower profile to minimize its effect on lining up your sights

PDI W-hold Hopup Bucking AEG (50° / 70°) Tokyo Marui (TM) Flat top railed upper receiverPDI 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. From PDI: Compact, but it has high power This is new model packing of PDI. It has two ring ribs on the outer surface, and they improve airtight. And more, it has "W hold ledges". Two ledges in the packing are steady of the BB's trajectory. It made of nitrile rubber(Hs50), and