引用:
原帖由 red_ant_tony 於 21-12-2010 07:27 發表
Nice weapon!
I can see that you are using the original S-max buffer tube. Could you kindly tell me which CTR stock are you using? PTS or mil-spec?
Do you need to modify anything?
Also, whic ...
I only used PTS CTR. Enlarge the internal of it a bit with a sand paper wheel. Also sand the corner of the tube a bit to make it smooth
I did not use any short ECU. Therefore the stock cannot be completely collapsed, with 1 slot remained but it is fine for my my habit to have 1 slot extended.