Originally Posted by bsm
The only thing you have to do to the gun is to run a 10-32 tap in the air holes.
All the rest of the mods are to the barrel and shroud. If you do it right you can reverse it easily to use it as a semi.
) had trouble keeping his ports sealed at PP8 this summer (sounds dirty
). Since loctite won't really work in delrin, I was going to suggest a little bit of silicon caulk on the threads of your plugs, but this will make it a mess to return to semi-auto operation...