View Single Post
Old March 25th, 2011, 06:45   #3
deadlydayne
 
deadlydayne's Avatar
 
Join Date: Mar 2011
Location: Michigan, USA
like mrbishi said not much, unless its cnc'd and oringed to hold and keep a good air seal, other than that, a metal hop up is good becuase its metal, you wont break it.
deadlydayne is offline   Reply With Quote