標題: GHK Gas Blow back AK74U Barrel [打印本頁] 作者: m913282 時間: 25-1-2009 00:39 標題: GHK Gas Blow back AK74U Barrel
I want to change Inner Barrel 6.03mm-6.04mm. But I have asked many gunshop in Mongkok, no one can answer to me how to change and the barrel is using AEG Series or not