引用:
原帖由 Castlevania 於 7-6-2009 21:49 發表
Bolt carrier ( Prime / RA, steel vs Aluminium)
其實大家會perfer 用邊隻material?
steel定aluminium?
steel我驚重已影響到bolt back力度,
我個人追求愈大bolt back力就愈鐘意~
The heavier the bolt, the greater the recoil.
Steel would be your choice.....