special inner o-ring slots for stabilization

even when it is problematic to anodize aluminum EN AW 7075 T651 (Dural)

△ Works with Other ACETECH Tracer Units(Bifrost M/ Brighter C)

These airsoft shells work in the Smokewagon revolver as well as the Smith & Wesson M29 series airsoft revolvers

and it is not easy to generate high temperature due to friction to cause HOP skin to expand

PDI HOP UP CHAMBER Ver.2 / For Tokyo Marui VSR-10 Gate special inner o-ring slots forPDI update VSR 10 HOP UP CHAMBER with Ver. 2 !! This is the latest HOP chamber by PDI. AS not Ver. 1,this item is ONLY CHAMBER. We improved to use TM original cylinder head. Of course,we recommend to use PDI Taper Cylinder head,then please choose new one. Ver. 2 is installed new ball stopper with 2 tip by Delrin each side. SPEC Usable gunTokyo Marui VSR 10,PDI VSR 10 BORE UP MaterialAluminum alloy surface treatmentBlack Alumite