Hephaestus Adjustable Piston Valve (NPAS) with Tool Set for Tokyo Marui TM AK GBB Series (Nozzle Adj. Valve) Belt Pad YSC GHK M4 GBB Bolt

YSC GHK M4 GBB Bolt Carrier Aluminum ( Black )

(22-Oct-2014 Update)

Serrated surface

OD w/ pull or push bolt action and left or right handed

Essential part for upgrading your Airsoft AEG  Plastic Construction  Tighter sealed air nozzle ensures more barrel exit muzzle velocity  This Oil Lubricated Air Seal Nozzle increase the air tightness of the cylinder  Able to hold against tappet plate to prevent rotation  Direct replace of original air nozzle of Airsoft Electric Gun  As always

Hephaestus Adjustable Piston Valve (NPAS) with Tool Set for Tokyo Marui TM AK GBB Series (Nozzle Adj. Valve) Belt Pad YSC GHK M4 GBB BoltHephaestus Adjustable Piston Valve (NPAS) with Tool Set for Tokyo Marui TM AK GBB Series (Nozzle Adj. Valve) CNC Aluminum 6061 Adjustable Piston Valve (NPAS) for output adjustment. Lightweight and durable. Anti loosening design with O ring Seal for best stability and reliability. (Spare o ring included.) Offer better gas efficiency and consistent performance. Come with CNC Stainless Steel Adjustment Tool Set for easy and convenient adjustment. Drop in