Hephaestus Adjustable Piston Valve (NPAS) with Tool Set For Tokyo Marui AK GBB

Price: $16.69 – $18.50 — In stock at 1 retailer.

Hephaestus 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 upgrade to replace stock Piston Valve (#MGG9-119) of Tokyo Marui AK GBB Series.