引用:
原帖由 gabrielwong1991 於 18-2-2009 04:19 發表
How about the real recoil spring? Is it too hard to put into the gun?
Some people said using 120% recoil spring can have 90% of real steel recoil... is that true?
I thought the same way before,
but as some ching told me , harder recoil spring makes less recoil and higher ROF~