1st all, would like to thanks for kidss0802, WAIKO01 and 小鄺 's reply.
kidss0802,
有其他師兄幫到我la thank you.
WAIKO01, The reason why i want to change to 金屬 is because I don’t like the plastic feel
小鄺 ,
Thanks for the link (Fullset G26 Frame with slide)
.....but it said "Only Suitable for Tokyo Marui G26"..but...I'm holding a G26Advance...with a attachment like a stabilizer of some kind in the front ...which I want to remove..
I got high flow valve changed for all my collections already