引用:
原帖由 pakho0912 於 28-8-2009 02:16 發表 
今日買$320,我果支野太大力了....一了百了買左佢.....
co2真係唔知得唔得wor@@
would be use in both CO2 and top gas wor! According to a introduction of this Uni-directional gaurd rod from another local forum:
S/N: TS-12
For WE M4 series【氣動WE M4系列專用】
Uni-directional guide rod with adjustable power knob【六角形單向及可調節氣芯】
Ensure the stability & alternation of the shooting power
Compatible for both Top gas & CO2 versions【猛將及CO2均適用】
