Airsoft Evolution Anti-Freeze Mag Valve Base Seal For VFC AR / M4 GBB Magazine Toy Model MWC Enhanced Piston Head for

MWC Enhanced Piston Head for Marui TM MWS MTR/ MK18 GBBR

- Deep hexagon serrated pattern for better gripping surface

- For Marui Model 17 GBB Series

-CO2 Ready (*Co2 magazine required)

Airsoft Evolution Anti-Freeze Mag Valve Base Seal For VFC AR / M4 GBB Magazine Toy Model MWC Enhanced Piston Head forDuring rapid fire, gas blowback magazines experience a drastic drop in temperature. Standard factory seals can harden, shrink, and ultimately fail under these freezing conditions, leading to frustrating gas leaks. This Airsoft Evolution seal is manufactured from a specialized, temperature resistant compound that remains pliable and maintains a perfect airtight seal, even when subjected to extreme cold and rapid gas expansion. Whether you play in