horenhim

引用:

原帖由 gunsmith 於 3-8-2010 03:46 發表
do any c hing knows which brand of gbb m4 has the strongest blow back force ??
i only tried agm and we!!
and now want to buy KA!!blow back bigger better than AGM????
thx

ka同agm都係膠buffer
只能說差不多