Basically the automag has a sear that needs to be mechanically pushed. In order to do this the idea was to take a small ram and a small solenoid and a low pressure source and go. The original E mag used a big ass solenoid to actually trip the sear which is why you see those huge ass batteries on them (the fore grip thing). This setup uses hardly any battery power as all it has to do is move the little solenoid that lets air into the ram to do all the work. Plus you get the wonderful feel of an ego frame and great LCD as well.
What was needed:
Ego Frame + Board
cocker 3-way hose, barbs and set screws
stainless steel end for the ram for long life
The RAM & Noid and little misc stuff can all be purchased from:
Clippard MPA-3 Actuator
-Fitting the ram inside the frame
-getting low pressure inside the frame to the noid
-getting the frame to fit the mag
I started with a mpa-3 as a ram:
You basically need to shave this thing down as small as possible to fin in the frame. I used a dremel at first, then a flat file to get a decently smooth flat edge on both sides.
Then you need to notch the ram for sear travel:
Then I grinded as much off on the frame itself till the ram fit snug into the frame:
After this I made the frame fit on the mag itself. None of the holes line up so I had to drill a hole in the trigger guard (easy one) and then one on the back (harder one). The one on the back is hard to get too because the drill bumps into the lower part of the frame. I cut the end of the hole pretty big so my screw would counter sink a bit and not catch on my hand. One of the unique things that I did was dremel down the front of the frame so it would fit flush with the vertical adapter. I was really happy the way it came out.
Edited by Nicholai, 15 January 2009 - 09:20 PM.