Downgrade Valve Set 2.0 For Tokyo Marui AKM & AKX GBBR lee enfield dwell timings and adjustable nozzle

dwell timings and adjustable nozzle power

MK18 Steel barrel nut for TM MWS and NGRS

Please take care to not fully unwind the grub screw

If you buy this engine from me

and that both the outerbarrel and suppressor contact surface are clean before install

Downgrade Valve Set 2.0 For Tokyo Marui AKM & AKX GBBR lee enfield dwell timings and adjustable nozzleDowngrade FPS Muzzle Energy for TM AKM AKX GBBR rifles. Set of 4 sizes. This little floating valve is a replacement part for the original floating valve in the TM GBB AK. It comes in 4 different sizes, each giving a preset amount of gas volume through the nozzle to accelerate the BB. The smaller the volume, the lower the FPS. Each valve has a unique marking to indicate it's powerlevel; High, Medium, Low and Very Low.