引用:
原帖由 ayaka 於 18-9-2011 20:57 發表
check out my old photos in the PTW美砂酮中心 (P.3)
GP barrel nut spec.(Marui toy spec.) is larger than the PTW/RS receiver spec.
so gp urx barrel nut will fit ptw upper well.
Hope it helps
ht ...
nice looking gun, bro
Systema all the way. Porsche all the way....